45010521 has 12 divisors (see below), whose sum is σ = 65931840. Its totient is φ = 29583960.

The previous prime is 45010507. The next prime is 45010529. The reversal of 45010521 is 12501054.

It is not a de Polignac number, because 45010521 - 2⁵ = 45010489 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 45010494 and 45010503.

It is not an unprimeable number, because it can be changed into a prime (45010529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34581 + ... + 35858.

It is an arithmetic number, because the mean of its divisors is an integer number (5494320).

Almost surely, 2^45010521 is an apocalyptic number.

It is an amenable number.

45010521 is a deficient number, since it is larger than the sum of its proper divisors (20921319).

45010521 is a wasteful number, since it uses less digits than its factorization.

45010521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70516 (or 70513 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 45010521 is about 6708.9880757086. The cubic root of 45010521 is about 355.7170483441.

Adding to 45010521 its reverse (12501054), we get a palindrome (57511575).

The spelling of 45010521 in words is "forty-five million, ten thousand, five hundred twenty-one".