45424621 has 8 divisors (see below), whose sum is σ = 50112000. Its totient is φ = 40830240.

The previous prime is 45424619. The next prime is 45424627. The reversal of 45424621 is 12642454.

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

It is not a de Polignac number, because 45424621 - 2¹ = 45424619 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 45424621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45424627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22221 + ... + 24178.

It is an arithmetic number, because the mean of its divisors is an integer number (6264000).

Almost surely, 2^45424621 is an apocalyptic number.

It is an amenable number.

45424621 is a deficient number, since it is larger than the sum of its proper divisors (4687379).

45424621 is a wasteful number, since it uses less digits than its factorization.

45424621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46499.

The product of its digits is 7680, while the sum is 28.

The square root of 45424621 is about 6739.7790023116. The cubic root of 45424621 is about 356.8045940283.

The spelling of 45424621 in words is "forty-five million, four hundred twenty-four thousand, six hundred twenty-one".