2257361142 has 32 divisors (see below), whose sum is σ = 4550515200. Its totient is φ = 746510688.

The previous prime is 2257361123. The next prime is 2257361147. The reversal of 2257361142 is 2411637522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257361147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445459 + ... + 450497.

It is an arithmetic number, because the mean of its divisors is an integer number (142203600).

Almost surely, 2^2257361142 is an apocalyptic number.

2257361142 is an abundant number, since it is smaller than the sum of its proper divisors (2293154058).

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

2257361142 is a wasteful number, since it uses less digits than its factorization.

2257361142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5620.

The product of its digits is 20160, while the sum is 33.

The square root of 2257361142 is about 47511.6947919141. The cubic root of 2257361142 is about 1311.7981526153.

Adding to 2257361142 its reverse (2411637522), we get a palindrome (4668998664).

The spelling of 2257361142 in words is "two billion, two hundred fifty-seven million, three hundred sixty-one thousand, one hundred forty-two".