45519745946 has 8 divisors (see below), whose sum is σ = 69944975604. Its totient is φ = 22204754080.

The previous prime is 45519745927. The next prime is 45519745963. The reversal of 45519745946 is 64954791554.

It can be written as a sum of positive squares in 2 ways, for example, as 28901700025 + 16618045921 = 170005^2 + 128911^2 .

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

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, 277559345 + ... + 277559508.

Almost surely, 2^45519745946 is an apocalyptic number.

45519745946 is a deficient number, since it is larger than the sum of its proper divisors (24425229658).

45519745946 is a wasteful number, since it uses less digits than its factorization.

45519745946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555118896.

The product of its digits is 27216000, while the sum is 59.

The spelling of 45519745946 in words is "forty-five billion, five hundred nineteen million, seven hundred forty-five thousand, nine hundred forty-six".