145396924 has 12 divisors (see below), whose sum is σ = 258028848. Its totient is φ = 71674400.

The previous prime is 145396879. The next prime is 145396943. The reversal of 145396924 is 429693541.

It is a super-2 number, since 2×145396924² = 42280531017323552, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 255697 + ... + 256264.

It is an arithmetic number, because the mean of its divisors is an integer number (21502404).

Almost surely, 2^145396924 is an apocalyptic number.

It is an amenable number.

145396924 is a deficient number, since it is larger than the sum of its proper divisors (112631924).

145396924 is a wasteful number, since it uses less digits than its factorization.

145396924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512036 (or 512034 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 145396924 is about 12058.0646871710. The cubic root of 145396924 is about 525.8377240889.

The spelling of 145396924 in words is "one hundred forty-five million, three hundred ninety-six thousand, nine hundred twenty-four".