45969538 has 4 divisors (see below), whose sum is σ = 68954310. Its totient is φ = 22984768.

The previous prime is 45969529. The next prime is 45969541. The reversal of 45969538 is 83596954.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43256929 + 2712609 = 6577^2 + 1647^2 .

It is a super-2 number, since 2×45969538² = 4226396847866888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 45969491 and 45969500.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11492383 + ... + 11492386.

Almost surely, 2^45969538 is an apocalyptic number.

45969538 is a deficient number, since it is larger than the sum of its proper divisors (22984772).

45969538 is a wasteful number, since it uses less digits than its factorization.

45969538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22984771.

The product of its digits is 1166400, while the sum is 49.

The square root of 45969538 is about 6780.0839227844. The cubic root of 45969538 is about 358.2256777494.

The spelling of 45969538 in words is "forty-five million, nine hundred sixty-nine thousand, five hundred thirty-eight".