45415490 has 16 divisors (see below), whose sum is σ = 82869048. Its totient is φ = 17917056.

The previous prime is 45415477. The next prime is 45415493. The reversal of 45415490 is 9451454.

45415490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 25532809 + 19882681 = 5053^2 + 4459^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45415493) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30377 + ... + 31836.

Almost surely, 2^45415490 is an apocalyptic number.

45415490 is a deficient number, since it is larger than the sum of its proper divisors (37453558).

45415490 is a wasteful number, since it uses less digits than its factorization.

45415490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62293.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 45415490 is about 6739.1015721682. The cubic root of 45415490 is about 356.7806848134.

The spelling of 45415490 in words is "forty-five million, four hundred fifteen thousand, four hundred ninety".