142928642946 has 32 divisors (see below), whose sum is σ = 286248193920. Its totient is φ = 47577780224.

The previous prime is 142928642939. The next prime is 142928642957. The reversal of 142928642946 is 649246829241.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15083266 + ... + 15092738.

It is an arithmetic number, because the mean of its divisors is an integer number (8945256060).

Almost surely, 2^142928642946 is an apocalyptic number.

142928642946 is an abundant number, since it is smaller than the sum of its proper divisors (143319550974).

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

142928642946 is a wasteful number, since it uses less digits than its factorization.

142928642946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12650.

The product of its digits is 11943936, while the sum is 57.

The spelling of 142928642946 in words is "one hundred forty-two billion, nine hundred twenty-eight million, six hundred forty-two thousand, nine hundred forty-six".