142085944 has 96 divisors (see below), whose sum is σ = 360632160. Its totient is φ = 51068160.

The previous prime is 142085941. The next prime is 142085947. The reversal of 142085944 is 449580241.

It is an interprime number because it is at equal distance from previous prime (142085941) and next prime (142085947).

It is a super-2 number, since 2×142085944² = 40376830964742272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142085941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87282 + ... + 88894.

It is an arithmetic number, because the mean of its divisors is an integer number (3756585).

Almost surely, 2^142085944 is an apocalyptic number.

142085944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142085944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180316080).

142085944 is an abundant number, since it is smaller than the sum of its proper divisors (218546216).

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

142085944 is a wasteful number, since it uses less digits than its factorization.

142085944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 142085944 is about 11919.9808724679. The cubic root of 142085944 is about 521.8155766253.

It can be divided in two parts, 14 and 2085944, that multiplied together give a square (29203216 = 5404²).

The spelling of 142085944 in words is "one hundred forty-two million, eighty-five thousand, nine hundred forty-four".