45551946 has 32 divisors (see below), whose sum is σ = 99887616. Its totient is φ = 13734000.

The previous prime is 45551941. The next prime is 45551951. The reversal of 45551946 is 64915554.

It is an interprime number because it is at equal distance from previous prime (45551941) and next prime (45551951).

It is not an unprimeable number, because it can be changed into a prime (45551941) 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, 12291 + ... + 15561.

It is an arithmetic number, because the mean of its divisors is an integer number (3121488).

Almost surely, 2^45551946 is an apocalyptic number.

45551946 is an abundant number, since it is smaller than the sum of its proper divisors (54335670).

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

45551946 is a wasteful number, since it uses less digits than its factorization.

45551946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498.

The product of its digits is 108000, while the sum is 39.

The square root of 45551946 is about 6749.2181769446. The cubic root of 45551946 is about 357.1376568995.

The spelling of 45551946 in words is "forty-five million, five hundred fifty-one thousand, nine hundred forty-six".