45274902791 has 8 divisors (see below), whose sum is σ = 45625754304. Its totient is φ = 44924346880.

The previous prime is 45274902787. The next prime is 45274902811. The reversal of 45274902791 is 19720947254.

It is a happy number.

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 45274902791 - 2² = 45274902787 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 (45274902091) 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, 238706 + ... + 384096.

It is an arithmetic number, because the mean of its divisors is an integer number (5703219288).

Almost surely, 2^45274902791 is an apocalyptic number.

45274902791 is a deficient number, since it is larger than the sum of its proper divisors (350851513).

45274902791 is a wasteful number, since it uses less digits than its factorization.

45274902791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147801.

The product of its (nonzero) digits is 1270080, while the sum is 50.

Adding to 45274902791 its sum of digits (50), we get a square (45274902841 = 212779²).

The spelling of 45274902791 in words is "forty-five billion, two hundred seventy-four million, nine hundred two thousand, seven hundred ninety-one".