142266477474 has 96 divisors (see below), whose sum is σ = 356184578880. Its totient is φ = 40559385600.

The previous prime is 142266477449. The next prime is 142266477497. The reversal of 142266477474 is 474774662241.

142266477474 is a `hidden beast` number, since 1 + 42 + 2 + 6 + 64 + 77 + 474 = 666.

It is a super-2 number, since 2×142266477474² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142266477474.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10794909 + ... + 10808079.

It is an arithmetic number, because the mean of its divisors is an integer number (3710256030).

Almost surely, 2^142266477474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142266477474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178092289440).

142266477474 is an abundant number, since it is smaller than the sum of its proper divisors (213918101406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142266477474 is a wasteful number, since it uses less digits than its factorization.

142266477474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16416 (or 16413 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 54.

The spelling of 142266477474 in words is "one hundred forty-two billion, two hundred sixty-six million, four hundred seventy-seven thousand, four hundred seventy-four".