111453252 has 24 divisors (see below), whose sum is σ = 266401632. Its totient is φ = 36244800.

The previous prime is 111453217. The next prime is 111453253. The reversal of 111453252 is 252354111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111453253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112774 + ... + 113757.

It is an arithmetic number, because the mean of its divisors is an integer number (11100068).

Almost surely, 2^111453252 is an apocalyptic number.

111453252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111453252 is an abundant number, since it is smaller than the sum of its proper divisors (154948380).

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

111453252 is a wasteful number, since it uses less digits than its factorization.

111453252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226579 (or 226577 counting only the distinct ones).

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

The square root of 111453252 is about 10557.1422269476. The cubic root of 111453252 is about 481.2428036929.

The spelling of 111453252 in words is "one hundred eleven million, four hundred fifty-three thousand, two hundred fifty-two".