145859164 has 12 divisors (see below), whose sum is σ = 278458488. Its totient is φ = 66299600.

The previous prime is 145859117. The next prime is 145859213. The reversal of 145859164 is 461958541.

It is a self number, because there is not a number n which added to its sum of digits gives 145859164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657447 + ... + 1657534.

It is an arithmetic number, because the mean of its divisors is an integer number (23204874).

Almost surely, 2^145859164 is an apocalyptic number.

It is an amenable number.

145859164 is a deficient number, since it is larger than the sum of its proper divisors (132599324).

145859164 is a wasteful number, since it uses less digits than its factorization.

145859164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314996 (or 3314994 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 145859164 is about 12077.2167323436. The cubic root of 145859164 is about 526.3943752613.

The spelling of 145859164 in words is "one hundred forty-five million, eight hundred fifty-nine thousand, one hundred sixty-four".