45972502 has 4 divisors (see below), whose sum is σ = 68958756. Its totient is φ = 22986250.

The previous prime is 45972497. The next prime is 45972503. The reversal of 45972502 is 20527954.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20527954 = 2 ⋅10263977.

It is a super-2 number, since 2×45972502² = 4226941880280008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45972503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11493124 + ... + 11493127.

It is an arithmetic number, because the mean of its divisors is an integer number (17239689).

Almost surely, 2^45972502 is an apocalyptic number.

45972502 is a deficient number, since it is larger than the sum of its proper divisors (22986254).

45972502 is a wasteful number, since it uses less digits than its factorization.

45972502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22986253.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 45972502 is about 6780.3025006264. The cubic root of 45972502 is about 358.2333767470.

The spelling of 45972502 in words is "forty-five million, nine hundred seventy-two thousand, five hundred two".