142162477254 has 432 divisors, whose sum is σ = 398076771456. Its totient is φ = 36520243200.

The previous prime is 142162477211. The next prime is 142162477283. The reversal of 142162477254 is 452774261241.

142162477254 is a `hidden beast` number, since 14 + 2 + 1 + 624 + 7 + 7 + 2 + 5 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 637499787 + ... + 637500009.

It is an arithmetic number, because the mean of its divisors is an integer number (921474008).

Almost surely, 2^142162477254 is an apocalyptic number.

142162477254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142162477254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199038385728).

142162477254 is an abundant number, since it is smaller than the sum of its proper divisors (255914294202).

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

142162477254 is a wasteful number, since it uses less digits than its factorization.

142162477254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 354 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The spelling of 142162477254 in words is "one hundred forty-two billion, one hundred sixty-two million, four hundred seventy-seven thousand, two hundred fifty-four".