45140304 has 160 divisors (see below), whose sum is σ = 138848256. Its totient is φ = 12482560.

The previous prime is 45140299. The next prime is 45140311. The reversal of 45140304 is 40304154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421819 + ... + 421925.

Almost surely, 2^45140304 is an apocalyptic number.

45140304 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45140304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69424128).

45140304 is an abundant number, since it is smaller than the sum of its proper divisors (93707952).

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

45140304 is a wasteful number, since it uses less digits than its factorization.

45140304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 45140304 is about 6718.6534365154. The cubic root of 45140304 is about 356.0586108945.

Adding to 45140304 its reverse (40304154), we get a palindrome (85444458).

It can be divided in two parts, 451 and 40304, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 45140304 in words is "forty-five million, one hundred forty thousand, three hundred four".