113145769 has 9 divisors (see below), whose sum is σ = 124495581. Its totient is φ = 102753420.

The previous prime is 113145757. The next prime is 113145793. The reversal of 113145769 is 967541311.

It is a happy number.

The square root of 113145769 is 10637.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 113145769 - 2⁵ = 113145737 is a prime.

It is a super-2 number, since 2×113145769² = 25603930085202722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113145719) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 116524 + ... + 117490.

Almost surely, 2^113145769 is an apocalyptic number.

113145769 is the 10637-th square number.

113145769 is the 5319-th centered octagonal number.

It is an amenable number.

113145769 is a deficient number, since it is larger than the sum of its proper divisors (11349812).

113145769 is an frugal number, since it uses more digits than its factorization.

113145769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956 (or 978 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The cubic root of 113145769 is about 483.6666092482. Note that the first 4 decimals are identical.

The spelling of 113145769 in words is "one hundred thirteen million, one hundred forty-five thousand, seven hundred sixty-nine".