1442860172 has 12 divisors (see below), whose sum is σ = 2719236576. Its totient is φ = 665935440.

The previous prime is 1442860169. The next prime is 1442860231. The reversal of 1442860172 is 2710682441.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13873604 + ... + 13873707.

It is an arithmetic number, because the mean of its divisors is an integer number (226603048).

Almost surely, 2^1442860172 is an apocalyptic number.

It is an amenable number.

1442860172 is a deficient number, since it is larger than the sum of its proper divisors (1276376404).

1442860172 is a wasteful number, since it uses less digits than its factorization.

1442860172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27747328 (or 27747326 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 1442860172 is about 37984.9993023562. Note that the first 3 decimals coincide. The cubic root of 1442860172 is about 1129.9903860095.

The spelling of 1442860172 in words is "one billion, four hundred forty-two million, eight hundred sixty thousand, one hundred seventy-two".