113321544 has 32 divisors (see below), whose sum is σ = 323776320. Its totient is φ = 32377536.

The previous prime is 113321539. The next prime is 113321561. The reversal of 113321544 is 445123311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 337099 + ... + 337434.

It is an arithmetic number, because the mean of its divisors is an integer number (10118010).

Almost surely, 2^113321544 is an apocalyptic number.

113321544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

113321544 is an abundant number, since it is smaller than the sum of its proper divisors (210454776).

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

113321544 is a wasteful number, since it uses less digits than its factorization.

113321544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674549 (or 674545 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 113321544 is about 10645.2592265290. The cubic root of 113321544 is about 483.9169426951.

Adding to 113321544 its reverse (445123311), we get a palindrome (558444855).

The spelling of 113321544 in words is "one hundred thirteen million, three hundred twenty-one thousand, five hundred forty-four".