142474763227 has 12 divisors (see below), whose sum is σ = 145770890896. Its totient is φ = 139251566160.

The previous prime is 142474763213. The next prime is 142474763237. The reversal of 142474763227 is 722367474241.

It is a de Polignac number, because none of the positive numbers 2^k-142474763227 is a prime.

It is a super-2 number, since 2×142474763227² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142474763237) 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, 1575202 + ... + 1663192.

Almost surely, 2^142474763227 is an apocalyptic number.

142474763227 is a deficient number, since it is larger than the sum of its proper divisors (3296127669).

142474763227 is an frugal number, since it uses more digits than its factorization.

142474763227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88818 (or 88771 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 49.

The spelling of 142474763227 in words is "one hundred forty-two billion, four hundred seventy-four million, seven hundred sixty-three thousand, two hundred twenty-seven".