445256042 has 36 divisors (see below), whose sum is σ = 853999650. Its totient is φ = 173471760.

The previous prime is 445256041. The next prime is 445256081. The reversal of 445256042 is 240652544.

It can be written as a sum of positive squares in only one way, i.e., 410103001 + 35153041 = 20251^2 + 5929^2 .

It is not an unprimeable number, because it can be changed into a prime (445256041) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6917 + ... + 30632.

Almost surely, 2^445256042 is an apocalyptic number.

445256042 is a deficient number, since it is larger than the sum of its proper divisors (408743608).

445256042 is a wasteful number, since it uses less digits than its factorization.

445256042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37587 (or 37569 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 445256042 is about 21101.0910144476. The cubic root of 445256042 is about 763.6070695412.

The spelling of 445256042 in words is "four hundred forty-five million, two hundred fifty-six thousand, forty-two".