142843383081 has 12 divisors (see below), whose sum is σ = 235804949952. Its totient is φ = 81624790296.

The previous prime is 142843383049. The next prime is 142843383119. The reversal of 142843383081 is 180383348241.

142843383081 is a `hidden beast` number, since 1 + 4 + 2 + 8 + 4 + 338 + 308 + 1 = 666.

It is not a de Polignac number, because 142843383081 - 2⁵ = 142843383049 is a prime.

It is a super-2 number, since 2×142843383081² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142843383581) 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, 1133677581 + ... + 1133677706.

It is an arithmetic number, because the mean of its divisors is an integer number (19650412496).

Almost surely, 2^142843383081 is an apocalyptic number.

It is an amenable number.

142843383081 is a deficient number, since it is larger than the sum of its proper divisors (92961566871).

142843383081 is a wasteful number, since it uses less digits than its factorization.

142843383081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267355300 (or 2267355297 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 142843383081 in words is "one hundred forty-two billion, eight hundred forty-three million, three hundred eighty-three thousand, eighty-one".