45503161501 has 24 divisors (see below), whose sum is σ = 54454892544. Its totient is φ = 37895064480.

The previous prime is 45503161493. The next prime is 45503161519. The reversal of 45503161501 is 10516130554.

It is a happy number.

It is not a de Polignac number, because 45503161501 - 2³ = 45503161493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45503161001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182436 + ... + 352546.

It is an arithmetic number, because the mean of its divisors is an integer number (2268953856).

Almost surely, 2^45503161501 is an apocalyptic number.

It is an amenable number.

45503161501 is a deficient number, since it is larger than the sum of its proper divisors (8951731043).

45503161501 is a wasteful number, since it uses less digits than its factorization.

45503161501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170281 (or 170274 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 45503161501 in words is "forty-five billion, five hundred three million, one hundred sixty-one thousand, five hundred one".