142890142530 has 32 divisors (see below), whose sum is σ = 344174399424. Its totient is φ = 37966476096.

The previous prime is 142890142529. The next prime is 142890142559. The reversal of 142890142530 is 35241098241.

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, 8589172 + ... + 8605791.

It is an arithmetic number, because the mean of its divisors is an integer number (10755449982).

Almost surely, 2^142890142530 is an apocalyptic number.

142890142530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142890142530 is an abundant number, since it is smaller than the sum of its proper divisors (201284256894).

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

142890142530 is a wasteful number, since it uses less digits than its factorization.

142890142530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17195250.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 142890142530 in words is "one hundred forty-two billion, eight hundred ninety million, one hundred forty-two thousand, five hundred thirty".