113645451 has 16 divisors (see below), whose sum is σ = 154181664. Its totient is φ = 74444544.

The previous prime is 113645447. The next prime is 113645453. The reversal of 113645451 is 154546311.

It is a happy number.

It is not a de Polignac number, because 113645451 - 2² = 113645447 is a prime.

It is a super-4 number, since 4×113645451⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (113645453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68605 + ... + 70241.

It is an arithmetic number, because the mean of its divisors is an integer number (9636354).

Almost surely, 2^113645451 is an apocalyptic number.

113645451 is a deficient number, since it is larger than the sum of its proper divisors (40536213).

113645451 is a wasteful number, since it uses less digits than its factorization.

113645451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030.

The product of its digits is 7200, while the sum is 30.

The square root of 113645451 is about 10660.4620443956. The cubic root of 113645451 is about 484.3775640849.

The spelling of 113645451 in words is "one hundred thirteen million, six hundred forty-five thousand, four hundred fifty-one".