45145055523 has 8 divisors (see below), whose sum is σ = 62810512128. Its totient is φ = 28788151304.

The previous prime is 45145055519. The next prime is 45145055573. The reversal of 45145055523 is 32555054154.

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 45145055523 - 2² = 45145055519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45145055573) 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, 327138015 + ... + 327138152.

It is an arithmetic number, because the mean of its divisors is an integer number (7851314016).

Almost surely, 2^45145055523 is an apocalyptic number.

45145055523 is a deficient number, since it is larger than the sum of its proper divisors (17665456605).

45145055523 is a wasteful number, since it uses less digits than its factorization.

45145055523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654276193.

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 45145055523 in words is "forty-five billion, one hundred forty-five million, fifty-five thousand, five hundred twenty-three".