142054254 has 24 divisors (see below), whose sum is σ = 308502480. Its totient is φ = 47240928.

The previous prime is 142054243. The next prime is 142054291. The reversal of 142054254 is 452450241.

It is a super-2 number, since 2×142054254² = 40358822158993032, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 1087 + ... + 16890.

It is an arithmetic number, because the mean of its divisors is an integer number (12854270).

Almost surely, 2^142054254 is an apocalyptic number.

142054254 is an abundant number, since it is smaller than the sum of its proper divisors (166448226).

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

142054254 is a wasteful number, since it uses less digits than its factorization.

142054254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18424 (or 18421 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 142054254 is about 11918.6515176844. The cubic root of 142054254 is about 521.7767795313.

The spelling of 142054254 in words is "one hundred forty-two million, fifty-four thousand, two hundred fifty-four".