45280487 has 4 divisors (see below), whose sum is σ = 51749136. Its totient is φ = 38811840.

The previous prime is 45280457. The next prime is 45280507. The reversal of 45280487 is 78408254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45280487 - 2⁶ = 45280423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45280487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45280427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3234314 + ... + 3234327.

It is an arithmetic number, because the mean of its divisors is an integer number (12937284).

Almost surely, 2^45280487 is an apocalyptic number.

45280487 is a deficient number, since it is larger than the sum of its proper divisors (6468649).

45280487 is an equidigital number, since it uses as much as digits as its factorization.

45280487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6468648.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 45280487 is about 6729.0777228384. The cubic root of 45280487 is about 356.4268094533.

The spelling of 45280487 in words is "forty-five million, two hundred eighty thousand, four hundred eighty-seven".