45498621 has 8 divisors (see below), whose sum is σ = 69331264. Its totient is φ = 25999200.

The previous prime is 45498611. The next prime is 45498667. The reversal of 45498621 is 12689454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45498621 - 2⁵ = 45498589 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 45498621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45498611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083280 + ... + 1083321.

It is an arithmetic number, because the mean of its divisors is an integer number (8666408).

Almost surely, 2^45498621 is an apocalyptic number.

It is an amenable number.

45498621 is a deficient number, since it is larger than the sum of its proper divisors (23832643).

45498621 is a wasteful number, since it uses less digits than its factorization.

45498621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166611.

The product of its digits is 69120, while the sum is 39.

The square root of 45498621 is about 6745.2665625607. The cubic root of 45498621 is about 356.9982424256.

The spelling of 45498621 in words is "forty-five million, four hundred ninety-eight thousand, six hundred twenty-one".