7142256 has 120 divisors (see below), whose sum is σ = 22748544. Its totient is φ = 2151360.

The previous prime is 7142209. The next prime is 7142263. The reversal of 7142256 is 6522417.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42685 + ... + 42851.

Almost surely, 2^7142256 is an apocalyptic number.

It is a pronic number, being equal to 2672×2673.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7142256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11374272).

7142256 is an abundant number, since it is smaller than the sum of its proper divisors (15606288).

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

7142256 is a wasteful number, since it uses less digits than its factorization.

7142256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 183 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 7142256 is about 2672.4999532273. The cubic root of 7142256 is about 192.5802757336.

The spelling of 7142256 in words is "seven million, one hundred forty-two thousand, two hundred fifty-six".