45509527 has 16 divisors (see below), whose sum is σ = 55702080. Its totient is φ = 36292608.

The previous prime is 45509501. The next prime is 45509537. The reversal of 45509527 is 72590554.

It is a cyclic number.

It is not a de Polignac number, because 45509527 - 2¹¹ = 45507479 is a prime.

It is a super-2 number, since 2×45509527² = 4142234095527458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45509537) 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, 8443 + ... + 12739.

It is an arithmetic number, because the mean of its divisors is an integer number (3481380).

Almost surely, 2^45509527 is an apocalyptic number.

45509527 is a deficient number, since it is larger than the sum of its proper divisors (10192553).

45509527 is a wasteful number, since it uses less digits than its factorization.

45509527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 45509527 is about 6746.0749328776. The cubic root of 45509527 is about 357.0267642555.

The spelling of 45509527 in words is "forty-five million, five hundred nine thousand, five hundred twenty-seven".