45525477278 has 8 divisors (see below), whose sum is σ = 68296079568. Its totient is φ = 22760117424.

The previous prime is 45525477259. The next prime is 45525477311. The reversal of 45525477278 is 87277452554.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288826 + ... + 1323677.

It is an arithmetic number, because the mean of its divisors is an integer number (8537009946).

Almost surely, 2^45525477278 is an apocalyptic number.

45525477278 is a deficient number, since it is larger than the sum of its proper divisors (22770602290).

45525477278 is a wasteful number, since it uses less digits than its factorization.

45525477278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621218.

The product of its digits is 21952000, while the sum is 56.

The spelling of 45525477278 in words is "forty-five billion, five hundred twenty-five million, four hundred seventy-seven thousand, two hundred seventy-eight".