45669490 has 64 divisors (see below), whose sum is σ = 91445760. Its totient is φ = 16360960.

The previous prime is 45669487. The next prime is 45669493. The reversal of 45669490 is 9496654.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45669487) and next prime (45669493).

It is not an unprimeable number, because it can be changed into a prime (45669493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273387 + ... + 273553.

It is an arithmetic number, because the mean of its divisors is an integer number (1428840).

Almost surely, 2^45669490 is an apocalyptic number.

45669490 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

45669490 is a wasteful number, since it uses less digits than its factorization.

45669490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 45669490 is about 6757.9205381537. The cubic root of 45669490 is about 357.4445836479. Note that the first 3 decimals are identical.

The spelling of 45669490 in words is "forty-five million, six hundred sixty-nine thousand, four hundred ninety".