2257154142 has 32 divisors (see below), whose sum is σ = 4723818912. Its totient is φ = 718233984.

The previous prime is 2257154111. The next prime is 2257154171. The reversal of 2257154142 is 2414517522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84153 + ... + 107684.

It is an arithmetic number, because the mean of its divisors is an integer number (147619341).

Almost surely, 2^2257154142 is an apocalyptic number.

2257154142 is an abundant number, since it is smaller than the sum of its proper divisors (2466664770).

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

2257154142 is a wasteful number, since it uses less digits than its factorization.

2257154142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191932.

The product of its digits is 22400, while the sum is 33.

The square root of 2257154142 is about 47509.5163309415. The cubic root of 2257154142 is about 1311.7580540960.

The spelling of 2257154142 in words is "two billion, two hundred fifty-seven million, one hundred fifty-four thousand, one hundred forty-two".