45691586 has 4 divisors (see below), whose sum is σ = 68537382. Its totient is φ = 22845792.

The previous prime is 45691577. The next prime is 45691619. The reversal of 45691586 is 68519654.

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., 29539225 + 16152361 = 5435^2 + 4019^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11422895 + ... + 11422898.

Almost surely, 2^45691586 is an apocalyptic number.

45691586 is a deficient number, since it is larger than the sum of its proper divisors (22845796).

45691586 is a wasteful number, since it uses less digits than its factorization.

45691586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22845795.

The product of its digits is 259200, while the sum is 44.

The square root of 45691586 is about 6759.5551628787. Note that the first 3 decimals coincide. The cubic root of 45691586 is about 357.5022211217.

The spelling of 45691586 in words is "forty-five million, six hundred ninety-one thousand, five hundred eighty-six".