45200140 has 48 divisors (see below), whose sum is σ = 97640928. Its totient is φ = 17570304.

The previous prime is 45200137. The next prime is 45200147. The reversal of 45200140 is 4100254.

It is not an unprimeable number, because it can be changed into a prime (45200147) 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, 120994 + ... + 121366.

It is an arithmetic number, because the mean of its divisors is an integer number (2034186).

Almost surely, 2^45200140 is an apocalyptic number.

It is an amenable number.

45200140 is an abundant number, since it is smaller than the sum of its proper divisors (52440788).

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

45200140 is a wasteful number, since it uses less digits than its factorization.

45200140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 45200140 is about 6723.1049374526. The cubic root of 45200140 is about 356.2158666384.

Adding to 45200140 its reverse (4100254), we get a palindrome (49300394).

The spelling of 45200140 in words is "forty-five million, two hundred thousand, one hundred forty".