45579271450 has 24 divisors (see below), whose sum is σ = 84791752668. Its totient is φ = 18228631680.

The previous prime is 45579271447. The next prime is 45579271459. The reversal of 45579271450 is 5417297554.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2800208889 + 42779062561 = 52917^2 + 206831^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45579271394 and 45579271403.

It is not an unprimeable number, because it can be changed into a prime (45579271459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234814 + ... + 382486.

Almost surely, 2^45579271450 is an apocalyptic number.

45579271450 is a deficient number, since it is larger than the sum of its proper divisors (39212481218).

45579271450 is a wasteful number, since it uses less digits than its factorization.

45579271450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153858 (or 153853 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 49.

The spelling of 45579271450 in words is "forty-five billion, five hundred seventy-nine million, two hundred seventy-one thousand, four hundred fifty".