145879434 has 16 divisors (see below), whose sum is σ = 324176640. Its totient is φ = 48626460.

The previous prime is 145879429. The next prime is 145879441. The reversal of 145879434 is 434978541.

145879434 is a `hidden beast` number, since 145 + 8 + 79 + 434 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145879434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350682 + ... + 1350789.

It is an arithmetic number, because the mean of its divisors is an integer number (20261040).

Almost surely, 2^145879434 is an apocalyptic number.

145879434 is an abundant number, since it is smaller than the sum of its proper divisors (178297206).

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

145879434 is a wasteful number, since it uses less digits than its factorization.

145879434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701482 (or 2701476 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 145879434 is about 12078.0558866069. The cubic root of 145879434 is about 526.4187584162.

The spelling of 145879434 in words is "one hundred forty-five million, eight hundred seventy-nine thousand, four hundred thirty-four".