45861620 has 24 divisors (see below), whose sum is σ = 110068224. Its totient is φ = 15723936.

The previous prime is 45861619. The next prime is 45861661. The reversal of 45861620 is 2616854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163652 + ... + 163931.

It is an arithmetic number, because the mean of its divisors is an integer number (4586176).

Almost surely, 2^45861620 is an apocalyptic number.

It is an amenable number.

45861620 is an abundant number, since it is smaller than the sum of its proper divisors (64206604).

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

45861620 is a wasteful number, since it uses less digits than its factorization.

45861620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327599 (or 327597 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 45861620 is about 6772.1207904171. The cubic root of 45861620 is about 357.9451347940.

The spelling of 45861620 in words is "forty-five million, eight hundred sixty-one thousand, six hundred twenty".