45162521 has 8 divisors (see below), whose sum is σ = 45774624. Its totient is φ = 44553600.

The previous prime is 45162517. The next prime is 45162527. The reversal of 45162521 is 12526154.

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

It is a cyclic number.

It is not a de Polignac number, because 45162521 - 2² = 45162517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45162527) 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, 42446 + ... + 43496.

It is an arithmetic number, because the mean of its divisors is an integer number (5721828).

Almost surely, 2^45162521 is an apocalyptic number.

It is an amenable number.

45162521 is a deficient number, since it is larger than the sum of its proper divisors (612103).

45162521 is a wasteful number, since it uses less digits than its factorization.

45162521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591.

The product of its digits is 2400, while the sum is 26.

The square root of 45162521 is about 6720.3066150288. The cubic root of 45162521 is about 356.1170158823.

Adding to 45162521 its reverse (12526154), we get a palindrome (57688675).

The spelling of 45162521 in words is "forty-five million, one hundred sixty-two thousand, five hundred twenty-one".