45617020 has 48 divisors (see below), whose sum is σ = 98431200. Its totient is φ = 17752320.

The previous prime is 45617009. The next prime is 45617021. The reversal of 45617020 is 2071654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45617021) 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, 169446 + ... + 169714.

It is an arithmetic number, because the mean of its divisors is an integer number (2050650).

Almost surely, 2^45617020 is an apocalyptic number.

It is an amenable number.

45617020 is an abundant number, since it is smaller than the sum of its proper divisors (52814180).

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

45617020 is a wasteful number, since it uses less digits than its factorization.

45617020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 45617020 is about 6754.0373111199. The cubic root of 45617020 is about 357.3076409865.

Adding to 45617020 its reverse (2071654), we get a palindrome (47688674).

The spelling of 45617020 in words is "forty-five million, six hundred seventeen thousand, twenty".