45986578 has 16 divisors (see below), whose sum is σ = 77679360. Its totient is φ = 20228400.

The previous prime is 45986561. The next prime is 45986587. The reversal of 45986578 is 87568954.

It is a super-2 number, since 2×45986578² = 4229530712300168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33033 + ... + 34396.

It is an arithmetic number, because the mean of its divisors is an integer number (4854960).

Almost surely, 2^45986578 is an apocalyptic number.

45986578 is a deficient number, since it is larger than the sum of its proper divisors (31692782).

45986578 is a wasteful number, since it uses less digits than its factorization.

45986578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67473.

The product of its digits is 2419200, while the sum is 52.

The square root of 45986578 is about 6781.3404279685. The cubic root of 45986578 is about 358.2699346764.

It can be divided in two parts, 45986 and 578, that added together give a palindrome (46564).

The spelling of 45986578 in words is "forty-five million, nine hundred eighty-six thousand, five hundred seventy-eight".