113561444 has 6 divisors (see below), whose sum is σ = 198732534. Its totient is φ = 56780720.

The previous prime is 113561389. The next prime is 113561467. The reversal of 113561444 is 444165311.

It can be written as a sum of positive squares in only one way, i.e., 66227044 + 47334400 = 8138^2 + 6880^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14195177 + ... + 14195184.

It is an arithmetic number, because the mean of its divisors is an integer number (33122089).

Almost surely, 2^113561444 is an apocalyptic number.

It is an amenable number.

113561444 is a deficient number, since it is larger than the sum of its proper divisors (85171090).

113561444 is a wasteful number, since it uses less digits than its factorization.

113561444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28390365 (or 28390363 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 113561444 is about 10656.5211959626. The cubic root of 113561444 is about 484.2581836313.

The spelling of 113561444 in words is "one hundred thirteen million, five hundred sixty-one thousand, four hundred forty-four".