45686619 has 32 divisors (see below), whose sum is σ = 74304000. Its totient is φ = 27514080.

The previous prime is 45686593. The next prime is 45686639. The reversal of 45686619 is 91668654.

It is not a de Polignac number, because 45686619 - 2¹¹ = 45684571 is a prime.

It is a super-2 number, since 2×45686619² = 4174534311302322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45686639) 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, 58717 + ... + 59489.

It is an arithmetic number, because the mean of its divisors is an integer number (2322000).

Almost surely, 2^45686619 is an apocalyptic number.

45686619 is a deficient number, since it is larger than the sum of its proper divisors (28617381).

45686619 is a wasteful number, since it uses less digits than its factorization.

45686619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 986 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 45686619 is about 6759.1877470596. The cubic root of 45686619 is about 357.4892663085.

The spelling of 45686619 in words is "forty-five million, six hundred eighty-six thousand, six hundred nineteen".