142090081231770 has 48 divisors (see below), whose sum is σ = 422210527090560. Its totient is φ = 32477732852832.

The previous prime is 142090081231739. The next prime is 142090081231783. The reversal of 142090081231770 is 77132180090241.

142090081231770 is a `hidden beast` number, since 1 + 420 + 90 + 0 + 8 + 123 + 17 + 7 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112769905110 + ... + 112769906369.

It is an arithmetic number, because the mean of its divisors is an integer number (8796052647720).

Almost surely, 2^{142090081231770} is an apocalyptic number.

142090081231770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142090081231770 is an abundant number, since it is smaller than the sum of its proper divisors (280120445858790).

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

142090081231770 is a wasteful number, since it uses less digits than its factorization.

142090081231770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225539811499 (or 225539811496 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 142090081231770 in words is "one hundred forty-two trillion, ninety billion, eighty-one million, two hundred thirty-one thousand, seven hundred seventy".