45958578 has 16 divisors (see below), whose sum is σ = 92080800. Its totient is φ = 15292256.

The previous prime is 45958571. The next prime is 45958589. The reversal of 45958578 is 87585954.

It is a super-2 number, since 2×45958578² = 4224381783564168, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45958578.

It is not an unprimeable number, because it can be changed into a prime (45958571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3003 + ... + 10046.

It is an arithmetic number, because the mean of its divisors is an integer number (5755050).

Almost surely, 2^45958578 is an apocalyptic number.

45958578 is an abundant number, since it is smaller than the sum of its proper divisors (46122222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45958578 is a wasteful number, since it uses less digits than its factorization.

45958578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13641.

The product of its digits is 2016000, while the sum is 51.

The square root of 45958578 is about 6779.2756250207. The cubic root of 45958578 is about 358.1972062465.

The spelling of 45958578 in words is "forty-five million, nine hundred fifty-eight thousand, five hundred seventy-eight".