113443402 has 16 divisors (see below), whose sum is σ = 172379592. Its totient is φ = 55987200.

The previous prime is 113443391. The next prime is 113443403. The reversal of 113443402 is 204344311.

It can be written as a sum of positive squares in 4 ways, for example, as 113230881 + 212521 = 10641^2 + 461^2 .

It is not an unprimeable number, because it can be changed into a prime (113443403) 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, 86818 + ... + 88114.

Almost surely, 2^113443402 is an apocalyptic number.

113443402 is a deficient number, since it is larger than the sum of its proper divisors (58936190).

113443402 is a wasteful number, since it uses less digits than its factorization.

113443402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 113443402 is about 10650.9812693479. The cubic root of 113443402 is about 484.0903372802.

Adding to 113443402 its reverse (204344311), we get a palindrome (317787713).

Subtracting 113443402 from its reverse (204344311), we obtain a palindrome (90900909).

The spelling of 113443402 in words is "one hundred thirteen million, four hundred forty-three thousand, four hundred two".