Search a number
-
+
145053423 = 341790783
BaseRepresentation
bin10001010010101…
…01011011101111
3101002221110220000
420221111123233
5244113202143
622220555343
73410635164
oct1051253357
9332843800
10145053423
1174973869
12406b2b53
1324089538
141539c06b
15cb03bd3
hex8a556ef

145053423 has 10 divisors (see below), whose sum is σ = 216684864. Its totient is φ = 96702228.

The previous prime is 145053413. The next prime is 145053487. The reversal of 145053423 is 324350541.

It is not a de Polignac number, because 145053423 - 29 = 145052911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145053413) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 895311 + ... + 895472.

Almost surely, 2145053423 is an apocalyptic number.

145053423 is a deficient number, since it is larger than the sum of its proper divisors (71631441).

145053423 is an equidigital number, since it uses as much as digits as its factorization.

145053423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790795 (or 1790786 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 145053423 is about 12043.8126438433. The cubic root of 145053423 is about 525.4232994248.

The spelling of 145053423 in words is "one hundred forty-five million, fifty-three thousand, four hundred twenty-three".

Divisors: 1 3 9 27 81 1790783 5372349 16117047 48351141 145053423