45945069 has 16 divisors (see below), whose sum is σ = 63504384. Its totient is φ = 29516400.

The previous prime is 45945061. The next prime is 45945079. The reversal of 45945069 is 96054954.

It is a happy number.

It is not a de Polignac number, because 45945069 - 2³ = 45945061 is a prime.

It is a super-2 number, since 2×45945069² = 4221898730829522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45945069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45945061) 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, 24292 + ... + 26114.

It is an arithmetic number, because the mean of its divisors is an integer number (3969024).

Almost surely, 2^45945069 is an apocalyptic number.

It is an amenable number.

45945069 is a deficient number, since it is larger than the sum of its proper divisors (17559315).

45945069 is a wasteful number, since it uses less digits than its factorization.

45945069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 45945069 is about 6778.2792064063. The cubic root of 45945069 is about 358.1621068124.

The spelling of 45945069 in words is "forty-five million, nine hundred forty-five thousand, sixty-nine".