85951142 has 8 divisors (see below), whose sum is σ = 129249432. Its totient is φ = 42868000.

The previous prime is 85951139. The next prime is 85951147. The reversal of 85951142 is 24115958.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×85951142² = 14775197622208328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85951147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52784 + ... + 54387.

It is an arithmetic number, because the mean of its divisors is an integer number (16156179).

Almost surely, 2^85951142 is an apocalyptic number.

85951142 is a deficient number, since it is larger than the sum of its proper divisors (43298290).

85951142 is a wasteful number, since it uses less digits than its factorization.

85951142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107574.

The product of its digits is 14400, while the sum is 35.

The square root of 85951142 is about 9270.9838744332. The cubic root of 85951142 is about 441.3168914740.

The spelling of 85951142 in words is "eighty-five million, nine hundred fifty-one thousand, one hundred forty-two".