45570140 has 96 divisors (see below), whose sum is σ = 120766464. Its totient is φ = 14031360.

The previous prime is 45570137. The next prime is 45570167. The reversal of 45570140 is 4107554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195464 + ... + 195696.

It is an arithmetic number, because the mean of its divisors is an integer number (1257984).

Almost surely, 2^45570140 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 45570140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60383232).

45570140 is an abundant number, since it is smaller than the sum of its proper divisors (75196324).

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

45570140 is a wasteful number, since it uses less digits than its factorization.

45570140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 45570140 is about 6750.5659022041. The cubic root of 45570140 is about 357.1851989418.

Adding to 45570140 its reverse (4107554), we get a palindrome (49677694).

The spelling of 45570140 in words is "forty-five million, five hundred seventy thousand, one hundred forty".