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145745404 = 22724317293
BaseRepresentation
bin10001010111111…
…10010111111100
3101011020122002221
420223332113330
5244302323104
622243455124
73416546500
oct1053762774
9334218087
10145745404
11752a6752
12409874a4
132426c4ac
14154dc300
15cbddc54
hex8afe5fc

145745404 has 36 divisors (see below), whose sum is σ = 303613464. Its totient is φ = 61006176.

The previous prime is 145745401. The next prime is 145745417. The reversal of 145745404 is 404547541.

145745404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 145745404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145745401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219 + ... + 17074.

Almost surely, 2145745404 is an apocalyptic number.

145745404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145745404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151806732).

145745404 is an abundant number, since it is smaller than the sum of its proper divisors (157868060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145745404 is a wasteful number, since it uses less digits than its factorization.

145745404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17354 (or 17345 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 145745404 is about 12072.5061192778. The cubic root of 145745404 is about 526.2574893381.

The spelling of 145745404 in words is "one hundred forty-five million, seven hundred forty-five thousand, four hundred four".

Divisors: 1 2 4 7 14 28 43 49 86 98 172 196 301 602 1204 2107 4214 8428 17293 34586 69172 121051 242102 484204 743599 847357 1487198 1694714 2974396 3389428 5205193 10410386 20820772 36436351 72872702 145745404