142085465731 has 16 divisors (see below), whose sum is σ = 157346316288. Its totient is φ = 127216029600.

The previous prime is 142085465651. The next prime is 142085465737. The reversal of 142085465731 is 137564580241.

It is not a de Polignac number, because 142085465731 - 2¹⁷ = 142085334659 is a prime.

It is a super-2 number, since 2×142085465731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142085465737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4533886 + ... + 4565116.

It is an arithmetic number, because the mean of its divisors is an integer number (9834144768).

Almost surely, 2^142085465731 is an apocalyptic number.

142085465731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142085465731 is a deficient number, since it is larger than the sum of its proper divisors (15260850557).

142085465731 is a wasteful number, since it uses less digits than its factorization.

142085465731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37482.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 142085465731 in words is "one hundred forty-two billion, eighty-five million, four hundred sixty-five thousand, seven hundred thirty-one".