142256736 has 120 divisors (see below), whose sum is σ = 424814544. Its totient is φ = 46690560.

The previous prime is 142256713. The next prime is 142256747. The reversal of 142256736 is 637652241.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 142256736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 183646 + ... + 184418.

Almost surely, 2^142256736 is an apocalyptic number.

142256736 is a gapful number since it is divisible by the number (16) 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 142256736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212407272).

142256736 is an abundant number, since it is smaller than the sum of its proper divisors (282557808).

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

142256736 is an equidigital number, since it uses as much as digits as its factorization.

142256736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 849 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 142256736 is about 11927.1428263436. The cubic root of 142256736 is about 522.0245727632.

It can be divided in two parts, 14 and 2256736, that added together give a triangular number (2256750 = T₂₁₂₄).

The spelling of 142256736 in words is "one hundred forty-two million, two hundred fifty-six thousand, seven hundred thirty-six".