113145051 has 4 divisors (see below), whose sum is σ = 150860072. Its totient is φ = 75430032.

The previous prime is 113145041. The next prime is 113145059. The reversal of 113145051 is 150541311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 113145051 - 2⁶ = 113144987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113145059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18857506 + ... + 18857511.

It is an arithmetic number, because the mean of its divisors is an integer number (37715018).

Almost surely, 2^113145051 is an apocalyptic number.

113145051 is a deficient number, since it is larger than the sum of its proper divisors (37715021).

113145051 is an equidigital number, since it uses as much as digits as its factorization.

113145051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37715020.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 113145051 is about 10636.9662498289. The cubic root of 113145051 is about 483.6655861628.

Adding to 113145051 its reverse (150541311), we get a palindrome (263686362).

The spelling of 113145051 in words is "one hundred thirteen million, one hundred forty-five thousand, fifty-one".