45657678 has 32 divisors (see below), whose sum is σ = 99856512. Its totient is φ = 13802400.

The previous prime is 45657673. The next prime is 45657683. The reversal of 45657678 is 87675654.

It is an interprime number because it is at equal distance from previous prime (45657673) and next prime (45657683).

Its product of digits (1411200) is a multiple of the sum of its prime divisors (1680).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45657671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53100 + ... + 53952.

It is an arithmetic number, because the mean of its divisors is an integer number (3120516).

Almost surely, 2^45657678 is an apocalyptic number.

45657678 is an abundant number, since it is smaller than the sum of its proper divisors (54198834).

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

45657678 is a wasteful number, since it uses less digits than its factorization.

45657678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680.

The product of its digits is 1411200, while the sum is 48.

The square root of 45657678 is about 6757.0465441641. The cubic root of 45657678 is about 357.4137643892.

It can be divided in two parts, 456576 and 78, that added together give a palindrome (456654).

The spelling of 45657678 in words is "forty-five million, six hundred fifty-seven thousand, six hundred seventy-eight".