113145252 has 24 divisors (see below), whose sum is σ = 288006432. Its totient is φ = 34286400.

The previous prime is 113145239. The next prime is 113145283. The reversal of 113145252 is 252541311.

It is a happy number.

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, 428449 + ... + 428712.

It is an arithmetic number, because the mean of its divisors is an integer number (12000268).

Almost surely, 2^113145252 is an apocalyptic number.

113145252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113145252 is an abundant number, since it is smaller than the sum of its proper divisors (174861180).

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

113145252 is a wasteful number, since it uses less digits than its factorization.

113145252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857179 (or 857177 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 113145252 is about 10636.9756980074. The cubic root of 113145252 is about 483.6658725701.

Adding to 113145252 its reverse (252541311), we get a palindrome (365686563).

The spelling of 113145252 in words is "one hundred thirteen million, one hundred forty-five thousand, two hundred fifty-two".