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145774074 = 2394125819
BaseRepresentation
bin10001011000001…
…01010111111010
3101011022002102210
420230011113322
5244304232244
622244235550
73420026205
oct1054052772
9334262383
10145774074
1175316246
124099bbb6
132427c564
141550893c
15cbe74b9
hex8b055fa

145774074 has 16 divisors (see below), whose sum is σ = 291869280. Its totient is φ = 48537840.

The previous prime is 145774021. The next prime is 145774081. The reversal of 145774074 is 470477541.

145774074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7264 + ... + 18555.

It is an arithmetic number, because the mean of its divisors is an integer number (18241830).

Almost surely, 2145774074 is an apocalyptic number.

145774074 is an abundant number, since it is smaller than the sum of its proper divisors (146095206).

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

145774074 is a wasteful number, since it uses less digits than its factorization.

145774074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26765.

The product of its (nonzero) digits is 109760, while the sum is 39.

The square root of 145774074 is about 12073.6934696886. The cubic root of 145774074 is about 526.2919942867.

The spelling of 145774074 in words is "one hundred forty-five million, seven hundred seventy-four thousand, seventy-four".

Divisors: 1 2 3 6 941 1882 2823 5646 25819 51638 77457 154914 24295679 48591358 72887037 145774074