442951245 has 48 divisors (see below), whose sum is σ = 841748544. Its totient is φ = 213696000.

The previous prime is 442951241. The next prime is 442951261. The reversal of 442951245 is 542159244.

It is a happy number.

442951245 is a `hidden beast` number, since 442 + 95 + 124 + 5 = 666.

It is not a de Polignac number, because 442951245 - 2² = 442951241 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442951241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102325 + ... + 106565.

It is an arithmetic number, because the mean of its divisors is an integer number (17536428).

Almost surely, 2^442951245 is an apocalyptic number.

442951245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

442951245 is a deficient number, since it is larger than the sum of its proper divisors (398797299).

442951245 is a wasteful number, since it uses less digits than its factorization.

442951245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4474 (or 4471 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 442951245 is about 21046.4069380025. The cubic root of 442951245 is about 762.2872261282.

The spelling of 442951245 in words is "four hundred forty-two million, nine hundred fifty-one thousand, two hundred forty-five".