45372675781 has 8 divisors (see below), whose sum is σ = 45416980224. Its totient is φ = 45328397280.

The previous prime is 45372675767. The next prime is 45372675787. The reversal of 45372675781 is 18757627354.

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 45372675781 - 2²³ = 45364287173 is a prime.

It is a super-2 number, since 2×45372675781² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45372675787) 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, 5471020 + ... + 5479306.

It is an arithmetic number, because the mean of its divisors is an integer number (5677122528).

Almost surely, 2^45372675781 is an apocalyptic number.

It is an amenable number.

45372675781 is a deficient number, since it is larger than the sum of its proper divisors (44304443).

45372675781 is a wasteful number, since it uses less digits than its factorization.

45372675781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12971.

The product of its digits is 9878400, while the sum is 55.

The spelling of 45372675781 in words is "forty-five billion, three hundred seventy-two million, six hundred seventy-five thousand, seven hundred eighty-one".