45787918 has 16 divisors (see below), whose sum is σ = 75057840. Its totient is φ = 20776000.

The previous prime is 45787913. The next prime is 45787927. The reversal of 45787918 is 81978754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45787913) 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, 13938 + ... + 16906.

It is an arithmetic number, because the mean of its divisors is an integer number (4691115).

Almost surely, 2^45787918 is an apocalyptic number.

45787918 is a deficient number, since it is larger than the sum of its proper divisors (29269922).

45787918 is a wasteful number, since it uses less digits than its factorization.

45787918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683.

The product of its digits is 564480, while the sum is 49.

The square root of 45787918 is about 6766.6770279067. The cubic root of 45787918 is about 357.7532865268.

The spelling of 45787918 in words is "forty-five million, seven hundred eighty-seven thousand, nine hundred eighteen".