45601521 has 16 divisors (see below), whose sum is σ = 69909504. Its totient is φ = 25899984.

The previous prime is 45601519. The next prime is 45601537. The reversal of 45601521 is 12510654.

It is not a de Polignac number, because 45601521 - 2¹ = 45601519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45601491 and 45601500.

It is not an unprimeable number, because it can be changed into a prime (45601541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2995 + ... + 10008.

It is an arithmetic number, because the mean of its divisors is an integer number (4369344).

Almost surely, 2^45601521 is an apocalyptic number.

It is an amenable number.

45601521 is a deficient number, since it is larger than the sum of its proper divisors (24307983).

45601521 is a wasteful number, since it uses less digits than its factorization.

45601521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13180.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 45601521 is about 6752.8898258449. The cubic root of 45601521 is about 357.2671697001.

The spelling of 45601521 in words is "forty-five million, six hundred one thousand, five hundred twenty-one".