113145924 has 48 divisors (see below), whose sum is σ = 278087040. Its totient is φ = 35735040.

The previous prime is 113145919. The next prime is 113145953. The reversal of 113145924 is 429541311.

It is a junction number, because it is equal to n+sod(n) for n = 113145891 and 113145900.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28204 + ... + 31964.

It is an arithmetic number, because the mean of its divisors is an integer number (5793480).

Almost surely, 2^113145924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113145924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139043520).

113145924 is an abundant number, since it is smaller than the sum of its proper divisors (164941116).

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

113145924 is a wasteful number, since it uses less digits than its factorization.

113145924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900 (or 3898 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 113145924 is about 10637.0072858864. The cubic root of 113145924 is about 483.6668301087. Note that the first 3 decimals are identical.

The spelling of 113145924 in words is "one hundred thirteen million, one hundred forty-five thousand, nine hundred twenty-four".