45127240 has 16 divisors (see below), whose sum is σ = 101536380. Its totient is φ = 18050880.

The previous prime is 45127237. The next prime is 45127283. The reversal of 45127240 is 4272154.

It can be written as a sum of positive squares in 2 ways, for example, as 41293476 + 3833764 = 6426^2 + 1958^2 .

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, 564051 + ... + 564130.

Almost surely, 2^45127240 is an apocalyptic number.

45127240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45127240 is an abundant number, since it is smaller than the sum of its proper divisors (56409140).

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

45127240 is a wasteful number, since it uses less digits than its factorization.

45127240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128192 (or 1128188 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 45127240 is about 6717.6811475389. The cubic root of 45127240 is about 356.0242587517.

Adding to 45127240 its reverse (4272154), we get a palindrome (49399394).

The spelling of 45127240 in words is "forty-five million, one hundred twenty-seven thousand, two hundred forty".