45527240 has 32 divisors (see below), whose sum is σ = 111749760. Its totient is φ = 16555200.

The previous prime is 45527233. The next prime is 45527257. The reversal of 45527240 is 4272554.

It is a happy number.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51296 + ... + 52175.

It is an arithmetic number, because the mean of its divisors is an integer number (3492180).

Almost surely, 2^45527240 is an apocalyptic number.

45527240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45527240 is an abundant number, since it is smaller than the sum of its proper divisors (66222520).

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

45527240 is a wasteful number, since it uses less digits than its factorization.

45527240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103493 (or 103489 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 45527240 is about 6747.3876426362. The cubic root of 45527240 is about 357.0730783294.

Adding to 45527240 its reverse (4272554), we get a palindrome (49799794).

The spelling of 45527240 in words is "forty-five million, five hundred twenty-seven thousand, two hundred forty".