45972069 has 32 divisors (see below), whose sum is σ = 72793728. Its totient is φ = 25440000.

The previous prime is 45972061. The next prime is 45972071. The reversal of 45972069 is 96027954.

45972069 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 45972069 - 2³ = 45972061 is a prime.

It is a super-2 number, since 2×45972069² = 4226862256281522, 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 45972069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45972061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42799 + ... + 43859.

It is an arithmetic number, because the mean of its divisors is an integer number (2274804).

Almost surely, 2^45972069 is an apocalyptic number.

It is an amenable number.

45972069 is a deficient number, since it is larger than the sum of its proper divisors (26821659).

45972069 is a wasteful number, since it uses less digits than its factorization.

45972069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 45972069 is about 6780.2705698224. The cubic root of 45972069 is about 358.2322520490.

It can be divided in two parts, 4597 and 2069, that added together give a palindrome (6666).

The spelling of 45972069 in words is "forty-five million, nine hundred seventy-two thousand, sixty-nine".