45515251401 has 8 divisors (see below), whose sum is σ = 61715595360. Its totient is φ = 29829204192.

The previous prime is 45515251387. The next prime is 45515251421. The reversal of 45515251401 is 10415251554.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45515251401 - 2⁷ = 45515251273 is a prime.

It is a super-2 number, since 2×45515251401² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45515251421) 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, 128573980 + ... + 128574333.

It is an arithmetic number, because the mean of its divisors is an integer number (7714449420).

Almost surely, 2^45515251401 is an apocalyptic number.

It is an amenable number.

45515251401 is a deficient number, since it is larger than the sum of its proper divisors (16200343959).

45515251401 is a wasteful number, since it uses less digits than its factorization.

45515251401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257148375.

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 45515251401 in words is "forty-five billion, five hundred fifteen million, two hundred fifty-one thousand, four hundred one".