25445314142 has 8 divisors (see below), whose sum is σ = 38169862416. Its totient is φ = 12722026672.

The previous prime is 25445314129. The next prime is 25445314177. The reversal of 25445314142 is 24141354452.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263018 + ... + 346509.

It is an arithmetic number, because the mean of its divisors is an integer number (4771232802).

Almost surely, 2^25445314142 is an apocalyptic number.

25445314142 is a deficient number, since it is larger than the sum of its proper divisors (12724548274).

25445314142 is a wasteful number, since it uses less digits than its factorization.

25445314142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630402.

The product of its digits is 76800, while the sum is 35.

Adding to 25445314142 its reverse (24141354452), we get a palindrome (49586668594).

The spelling of 25445314142 in words is "twenty-five billion, four hundred forty-five million, three hundred fourteen thousand, one hundred forty-two".