142780956 has 24 divisors (see below), whose sum is σ = 333595920. Its totient is φ = 47530752.

The previous prime is 142780933. The next prime is 142781021. The reversal of 142780956 is 659087241.

It is a congruent number.

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, 2100 + ... + 17028.

It is an arithmetic number, because the mean of its divisors is an integer number (13899830).

Almost surely, 2^142780956 is an apocalyptic number.

It is an amenable number.

142780956 is an abundant number, since it is smaller than the sum of its proper divisors (190814964).

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

142780956 is a wasteful number, since it uses less digits than its factorization.

142780956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15733 (or 15731 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 142780956 is about 11949.0985434049. The cubic root of 142780956 is about 522.6650117159.

The spelling of 142780956 in words is "one hundred forty-two million, seven hundred eighty thousand, nine hundred fifty-six".