1142656254 has 16 divisors (see below), whose sum is σ = 2539236240. Its totient is φ = 380885400.

The previous prime is 1142656213. The next prime is 1142656271. The reversal of 1142656254 is 4526562411.

1142656254 is a `hidden beast` number, since 1 + 1 + 4 + 26 + 5 + 625 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10580097 + ... + 10580204.

It is an arithmetic number, because the mean of its divisors is an integer number (158702265).

Almost surely, 2^1142656254 is an apocalyptic number.

1142656254 is an abundant number, since it is smaller than the sum of its proper divisors (1396579986).

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

1142656254 is a wasteful number, since it uses less digits than its factorization.

1142656254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21160312 (or 21160306 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 1142656254 is about 33803.1988722961. The cubic root of 1142656254 is about 1045.4546540812.

The spelling of 1142656254 in words is "one billion, one hundred forty-two million, six hundred fifty-six thousand, two hundred fifty-four".