45591874 has 4 divisors (see below), whose sum is σ = 68387814. Its totient is φ = 22795936.

The previous prime is 45591863. The next prime is 45591899. The reversal of 45591874 is 47819554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47819554 = 2 ⋅23909777.

It can be written as a sum of positive squares in only one way, i.e., 39125025 + 6466849 = 6255^2 + 2543^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45591874.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11397967 + ... + 11397970.

Almost surely, 2^45591874 is an apocalyptic number.

45591874 is a deficient number, since it is larger than the sum of its proper divisors (22795940).

45591874 is a wasteful number, since it uses less digits than its factorization.

45591874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22795939.

The product of its digits is 201600, while the sum is 43.

The square root of 45591874 is about 6752.1755012736. The cubic root of 45591874 is about 357.2419746380.

It can be divided in two parts, 455 and 91874, that added together give a palindrome (92329).

The spelling of 45591874 in words is "forty-five million, five hundred ninety-one thousand, eight hundred seventy-four".