45409527 has 12 divisors (see below), whose sum is σ = 66704040. Its totient is φ = 29759568.

The previous prime is 45409523. The next prime is 45409531. The reversal of 45409527 is 72590454.

45409527 is a `hidden beast` number, since 4 + 540 + 95 + 27 = 666.

It is an interprime number because it is at equal distance from previous prime (45409523) and next prime (45409531).

It is not a de Polignac number, because 45409527 - 2² = 45409523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45409491 and 45409500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45409523) 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, 42228 + ... + 43289.

It is an arithmetic number, because the mean of its divisors is an integer number (5558670).

Almost surely, 2^45409527 is an apocalyptic number.

45409527 is a deficient number, since it is larger than the sum of its proper divisors (21294513).

45409527 is a wasteful number, since it uses less digits than its factorization.

45409527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85582 (or 85579 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 45409527 is about 6738.6591396212. The cubic root of 45409527 is about 356.7650691696.

The spelling of 45409527 in words is "forty-five million, four hundred nine thousand, five hundred twenty-seven".