45134240 has 24 divisors (see below), whose sum is σ = 106630020. Its totient is φ = 18053632.

The previous prime is 45134209. The next prime is 45134263. The reversal of 45134240 is 4243154.

It can be written as a sum of positive squares in 2 ways, for example, as 45104656 + 29584 = 6716^2 + 172^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140885 + ... + 141204.

Almost surely, 2^45134240 is an apocalyptic number.

45134240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45134240 is an abundant number, since it is smaller than the sum of its proper divisors (61495780).

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

45134240 is a wasteful number, since it uses less digits than its factorization.

45134240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282104 (or 282096 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 45134240 is about 6718.2021404539. The cubic root of 45134240 is about 356.0426662662.

Adding to 45134240 its reverse (4243154), we get a palindrome (49377394).

The spelling of 45134240 in words is "forty-five million, one hundred thirty-four thousand, two hundred forty".