2545912142 has 8 divisors (see below), whose sum is σ = 3819285432. Its totient is φ = 1272817000.

The previous prime is 2545912141. The next prime is 2545912147. The reversal of 2545912142 is 2412195452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545912141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44909 + ... + 84312.

It is an arithmetic number, because the mean of its divisors is an integer number (477410679).

Almost surely, 2^2545912142 is an apocalyptic number.

2545912142 is a deficient number, since it is larger than the sum of its proper divisors (1273373290).

2545912142 is a wasteful number, since it uses less digits than its factorization.

2545912142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139074.

The product of its digits is 28800, while the sum is 35.

The square root of 2545912142 is about 50457.0326317353. The cubic root of 2545912142 is about 1365.4667757394.

The spelling of 2545912142 in words is "two billion, five hundred forty-five million, nine hundred twelve thousand, one hundred forty-two".