142858861900 has 36 divisors (see below), whose sum is σ = 310193458848. Its totient is φ = 57108571840.

The previous prime is 142858861889. The next prime is 142858861909. The reversal of 142858861900 is 9168858241.

It is a happy number.

It is a super-2 number, since 2×142858861900² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142858861909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272644 + ... + 600043.

It is an arithmetic number, because the mean of its divisors is an integer number (8616484968).

Almost surely, 2^142858861900 is an apocalyptic number.

142858861900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142858861900 is an abundant number, since it is smaller than the sum of its proper divisors (167334596948).

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

142858861900 is a wasteful number, since it uses less digits than its factorization.

142858861900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874338 (or 874331 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 52.

The spelling of 142858861900 in words is "one hundred forty-two billion, eight hundred fifty-eight million, eight hundred sixty-one thousand, nine hundred".