442145050 has 24 divisors (see below), whose sum is σ = 825322176. Its totient is φ = 176227440.

The previous prime is 442145021. The next prime is 442145059. The reversal of 442145050 is 50541244.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (442145059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1474 + ... + 29773.

It is an arithmetic number, because the mean of its divisors is an integer number (34388424).

Almost surely, 2^442145050 is an apocalyptic number.

442145050 is a deficient number, since it is larger than the sum of its proper divisors (383177126).

442145050 is a wasteful number, since it uses less digits than its factorization.

442145050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31542 (or 31537 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 442145050 is about 21027.2454211197. The cubic root of 442145050 is about 761.8244774066.

Adding to 442145050 its reverse (50541244), we get a palindrome (492686294).

The spelling of 442145050 in words is "four hundred forty-two million, one hundred forty-five thousand, fifty".