45546920 has 16 divisors (see below), whose sum is σ = 102480660. Its totient is φ = 18218752.

The previous prime is 45546913. The next prime is 45546953. The reversal of 45546920 is 2964554.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38962564 + 6584356 = 6242^2 + 2566^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569297 + ... + 569376.

Almost surely, 2^45546920 is an apocalyptic number.

45546920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45546920 is an abundant number, since it is smaller than the sum of its proper divisors (56933740).

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

45546920 is a wasteful number, since it uses less digits than its factorization.

45546920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138684 (or 1138680 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 45546920 is about 6748.8458272508. The cubic root of 45546920 is about 357.1245214206.

The spelling of 45546920 in words is "forty-five million, five hundred forty-six thousand, nine hundred twenty".