45507045751 has 4 divisors (see below), whose sum is σ = 45932345352. Its totient is φ = 45081746152.

The previous prime is 45507045743. The next prime is 45507045757. The reversal of 45507045751 is 15754070554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15754070554 = 2 ⋅7877035277.

It is a cyclic number.

It is not a de Polignac number, because 45507045751 - 2³ = 45507045743 is a prime.

It is a super-4 number, since 4×45507045751⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45507045698 and 45507045707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45507045757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212649640 + ... + 212649853.

It is an arithmetic number, because the mean of its divisors is an integer number (11483086338).

Almost surely, 2^45507045751 is an apocalyptic number.

45507045751 is a deficient number, since it is larger than the sum of its proper divisors (425299601).

45507045751 is a wasteful number, since it uses less digits than its factorization.

45507045751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425299600.

The product of its (nonzero) digits is 490000, while the sum is 43.

The spelling of 45507045751 in words is "forty-five billion, five hundred seven million, forty-five thousand, seven hundred fifty-one".