45571020 has 72 divisors (see below), whose sum is σ = 140275632. Its totient is φ = 11045760.

The previous prime is 45571007. The next prime is 45571037. The reversal of 45571020 is 2017554.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4122 + ... + 10398.

Almost surely, 2^45571020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45571020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70137816).

45571020 is an abundant number, since it is smaller than the sum of its proper divisors (94704612).

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

45571020 is a wasteful number, since it uses less digits than its factorization.

45571020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6311 (or 6298 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 45571020 is about 6750.6310816101. The cubic root of 45571020 is about 357.1874981151.

Adding to 45571020 its reverse (2017554), we get a palindrome (47588574).

The spelling of 45571020 in words is "forty-five million, five hundred seventy-one thousand, twenty".