45442454152 has 8 divisors (see below), whose sum is σ = 85204601550. Its totient is φ = 22721227072.

The previous prime is 45442454143. The next prime is 45442454177. The reversal of 45442454152 is 25145424454.

It can be written as a sum of positive squares in only one way, i.e., 36074924356 + 9367529796 = 189934^2 + 96786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840153377 + ... + 2840153392.

Almost surely, 2^45442454152 is an apocalyptic number.

It is an amenable number.

45442454152 is a deficient number, since it is larger than the sum of its proper divisors (39762147398).

45442454152 is a wasteful number, since it uses less digits than its factorization.

45442454152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5680306775 (or 5680306771 counting only the distinct ones).

The product of its digits is 512000, while the sum is 40.

The spelling of 45442454152 in words is "forty-five billion, four hundred forty-two million, four hundred fifty-four thousand, one hundred fifty-two".