45015869 has 4 divisors (see below), whose sum is σ = 45187296. Its totient is φ = 44844444.

The previous prime is 45015851. The next prime is 45015877. The reversal of 45015869 is 96851054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45015869 - 2²⁴ = 28238653 is a prime.

It is a super-2 number, since 2×45015869² = 4052856923650322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45015829) 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, 85319 + ... + 85844.

It is an arithmetic number, because the mean of its divisors is an integer number (11296824).

Almost surely, 2^45015869 is an apocalyptic number.

It is an amenable number.

45015869 is a deficient number, since it is larger than the sum of its proper divisors (171427).

45015869 is a wasteful number, since it uses less digits than its factorization.

45015869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171426.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 45015869 is about 6709.3866336648. The cubic root of 45015869 is about 355.7311361573.

The spelling of 45015869 in words is "forty-five million, fifteen thousand, eight hundred sixty-nine".