45071537 has 8 divisors (see below), whose sum is σ = 51852672. Its totient is φ = 38376000.

The previous prime is 45071527. The next prime is 45071561. The reversal of 45071537 is 73517054.

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 45071537 - 2⁸ = 45071281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45071527) 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, 20264 + ... + 22377.

It is an arithmetic number, because the mean of its divisors is an integer number (6481584).

Almost surely, 2^45071537 is an apocalyptic number.

It is an amenable number.

45071537 is a deficient number, since it is larger than the sum of its proper divisors (6781135).

45071537 is a wasteful number, since it uses less digits than its factorization.

45071537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42799.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 45071537 is about 6713.5338682396. The cubic root of 45071537 is about 355.8777117539.

The spelling of 45071537 in words is "forty-five million, seventy-one thousand, five hundred thirty-seven".