625140142 has 8 divisors (see below), whose sum is σ = 1022956632. Its totient is φ = 284154600.

The previous prime is 625140127. The next prime is 625140143. The reversal of 625140142 is 241041526.

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 not an unprimeable number, because it can be changed into a prime (625140143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14207709 + ... + 14207752.

It is an arithmetic number, because the mean of its divisors is an integer number (127869579).

Almost surely, 2^625140142 is an apocalyptic number.

625140142 is a deficient number, since it is larger than the sum of its proper divisors (397816490).

625140142 is a wasteful number, since it uses less digits than its factorization.

625140142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28415474.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 625140142 is about 25002.8026828994. The cubic root of 625140142 is about 855.0518724157.

Adding to 625140142 its reverse (241041526), we get a palindrome (866181668).

The spelling of 625140142 in words is "six hundred twenty-five million, one hundred forty thousand, one hundred forty-two".