45150240 has 48 divisors (see below), whose sum is σ = 142224768. Its totient is φ = 12039936.

The previous prime is 45150239. The next prime is 45150271. The reversal of 45150240 is 4205154.

It is a tau number, because it is divible by the number of its divisors (48).

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, 46552 + ... + 47511.

It is an arithmetic number, because the mean of its divisors is an integer number (2963016).

Almost surely, 2^45150240 is an apocalyptic number.

45150240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45150240 is an abundant number, since it is smaller than the sum of its proper divisors (97074528).

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

45150240 is a wasteful number, since it uses less digits than its factorization.

45150240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94081 (or 94073 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 45150240 is about 6719.3928297131. The cubic root of 45150240 is about 356.0847334391.

Adding to 45150240 its reverse (4205154), we get a palindrome (49355394).

The spelling of 45150240 in words is "forty-five million, one hundred fifty thousand, two hundred forty".