45302490 has 96 divisors (see below), whose sum is σ = 124016256. Its totient is φ = 11897280.

The previous prime is 45302489. The next prime is 45302531. The reversal of 45302490 is 9420354.

45302490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 250200 + ... + 250380.

It is an arithmetic number, because the mean of its divisors is an integer number (1291836).

Almost surely, 2^45302490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45302490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62008128).

45302490 is an abundant number, since it is smaller than the sum of its proper divisors (78713766).

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

45302490 is a wasteful number, since it uses less digits than its factorization.

45302490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 45302490 is about 6730.7124437165. The cubic root of 45302490 is about 356.4845325453.

The spelling of 45302490 in words is "forty-five million, three hundred two thousand, four hundred ninety".