142523394774 has 36 divisors (see below), whose sum is σ = 298023443508. Its totient is φ = 45435460400.

The previous prime is 142523394743. The next prime is 142523394803. The reversal of 142523394774 is 477493325241.

142523394774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142523394774² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21265624 + ... + 21272324.

Almost surely, 2^142523394774 is an apocalyptic number.

142523394774 is an abundant number, since it is smaller than the sum of its proper divisors (155500048734).

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

142523394774 is an frugal number, since it uses more digits than its factorization.

142523394774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13453 (or 6729 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 51.

The spelling of 142523394774 in words is "one hundred forty-two billion, five hundred twenty-three million, three hundred ninety-four thousand, seven hundred seventy-four".