142144260 has 24 divisors (see below), whose sum is σ = 398004096. Its totient is φ = 37905120.

The previous prime is 142144243. The next prime is 142144273. The reversal of 142144260 is 62441241.

It is a happy number.

It is a super-3 number, since 3×142144260³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142144260.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184476 + ... + 1184595.

It is an arithmetic number, because the mean of its divisors is an integer number (16583504).

Almost surely, 2^142144260 is an apocalyptic number.

142144260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142144260 is an abundant number, since it is smaller than the sum of its proper divisors (255859836).

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

142144260 is a wasteful number, since it uses less digits than its factorization.

142144260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369083 (or 2369081 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 142144260 is about 11922.4267663928. The cubic root of 142144260 is about 521.8869560410.

The spelling of 142144260 in words is "one hundred forty-two million, one hundred forty-four thousand, two hundred sixty".