45512147 has 8 divisors (see below), whose sum is σ = 47703840. Its totient is φ = 43338240.

The previous prime is 45512113. The next prime is 45512171. The reversal of 45512147 is 74121554.

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 45512147 - 2⁶ = 45512083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45512177) 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, 947 + ... + 9587.

It is an arithmetic number, because the mean of its divisors is an integer number (5962980).

Almost surely, 2^45512147 is an apocalyptic number.

45512147 is a deficient number, since it is larger than the sum of its proper divisors (2191693).

45512147 is a wasteful number, since it uses less digits than its factorization.

45512147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8893.

The product of its digits is 5600, while the sum is 29.

The square root of 45512147 is about 6746.2691170750. The cubic root of 45512147 is about 357.0336155109.

The spelling of 45512147 in words is "forty-five million, five hundred twelve thousand, one hundred forty-seven".