142842857274 has 24 divisors (see below), whose sum is σ = 333300000852. Its totient is φ = 43951648320.

The previous prime is 142842857273. The next prime is 142842857291. The reversal of 142842857274 is 472758248241.

142842857274 is a `hidden beast` number, since 1 + 4 + 28 + 42 + 8 + 572 + 7 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 142840911249 + 1946025 = 377943^2 + 1395^2 .

It is a super-2 number, since 2×142842857274² (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 142842857274.

It is not an unprimeable number, because it can be changed into a prime (142842857273) 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, 305219547 + ... + 305220014.

Almost surely, 2^142842857274 is an apocalyptic number.

142842857274 is an abundant number, since it is smaller than the sum of its proper divisors (190457143578).

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

142842857274 is a wasteful number, since it uses less digits than its factorization.

142842857274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610439582 (or 610439579 counting only the distinct ones).

The product of its digits is 8028160, while the sum is 54.

The spelling of 142842857274 in words is "one hundred forty-two billion, eight hundred forty-two million, eight hundred fifty-seven thousand, two hundred seventy-four".