445452156746 has 4 divisors (see below), whose sum is σ = 668178235122. Its totient is φ = 222726078372.

The previous prime is 445452156701. The next prime is 445452156811. The reversal of 445452156746 is 647651254544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 440437959025 + 5014197721 = 663655^2 + 70811^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111363039185 + ... + 111363039188.

Almost surely, 2^445452156746 is an apocalyptic number.

445452156746 is a deficient number, since it is larger than the sum of its proper divisors (222726078376).

445452156746 is a wasteful number, since it uses less digits than its factorization.

445452156746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222726078375.

The product of its digits is 16128000, while the sum is 53.

The spelling of 445452156746 in words is "four hundred forty-five billion, four hundred fifty-two million, one hundred fifty-six thousand, seven hundred forty-six".