45103240 has 64 divisors (see below), whose sum is σ = 124911360. Its totient is φ = 14273280.

The previous prime is 45103187. The next prime is 45103291. The reversal of 45103240 is 4230154.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2556 + ... + 9835.

It is an arithmetic number, because the mean of its divisors is an integer number (1951740).

Almost surely, 2^45103240 is an apocalyptic number.

45103240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45103240 is an abundant number, since it is smaller than the sum of its proper divisors (79808120).

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

45103240 is a wasteful number, since it uses less digits than its factorization.

45103240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12422 (or 12418 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 45103240 is about 6715.8945792798. The cubic root of 45103240 is about 355.9611328186.

Adding to 45103240 its reverse (4230154), we get a palindrome (49333394).

It can be divided in two parts, 4510 and 3240, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 45103240 in words is "forty-five million, one hundred three thousand, two hundred forty".