445404342 has 64 divisors (see below), whose sum is σ = 945045504. Its totient is φ = 139756320.

The previous prime is 445404329. The next prime is 445404397. The reversal of 445404342 is 243404544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1283413 + ... + 1283759.

It is an arithmetic number, because the mean of its divisors is an integer number (14766336).

Almost surely, 2^445404342 is an apocalyptic number.

445404342 is an abundant number, since it is smaller than the sum of its proper divisors (499641162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445404342 is a wasteful number, since it uses less digits than its factorization.

445404342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 445404342 is about 21104.6047582038. The cubic root of 445404342 is about 763.6918375156.

Adding to 445404342 its reverse (243404544), we get a palindrome (688808886).

The spelling of 445404342 in words is "four hundred forty-five million, four hundred four thousand, three hundred forty-two".