142896140 has 24 divisors (see below), whose sum is σ = 300307392. Its totient is φ = 57115520.

The previous prime is 142896139. The next prime is 142896167. The reversal of 142896140 is 41698241.

It is a happy number.

It is a super-4 number, since 4×142896140⁴ (a number of 34 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142896140.

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, 47357 + ... + 50283.

It is an arithmetic number, because the mean of its divisors is an integer number (12512808).

Almost surely, 2^142896140 is an apocalyptic number.

142896140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142896140 is an abundant number, since it is smaller than the sum of its proper divisors (157411252).

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

142896140 is a wasteful number, since it uses less digits than its factorization.

142896140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5377 (or 5375 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 142896140 is about 11953.9173495553. The cubic root of 142896140 is about 522.8055217362.

The spelling of 142896140 in words is "one hundred forty-two million, eight hundred ninety-six thousand, one hundred forty".