442775045 has 16 divisors (see below), whose sum is σ = 550368000. Its totient is φ = 341560128.

The previous prime is 442775023. The next prime is 442775071. The reversal of 442775045 is 540577244.

It is a cyclic number.

It is not a de Polignac number, because 442775045 - 2⁸ = 442774789 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149186 + ... + 152124.

It is an arithmetic number, because the mean of its divisors is an integer number (34398000).

Almost surely, 2^442775045 is an apocalyptic number.

It is an amenable number.

442775045 is a deficient number, since it is larger than the sum of its proper divisors (107592955).

442775045 is a wasteful number, since it uses less digits than its factorization.

442775045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012.

The product of its (nonzero) digits is 156800, while the sum is 38.

The square root of 442775045 is about 21042.2205339646. The cubic root of 442775045 is about 762.1861368817.

The spelling of 442775045 in words is "four hundred forty-two million, seven hundred seventy-five thousand, forty-five".