625144342 has 8 divisors (see below), whose sum is σ = 938256696. Its totient is φ = 312392112.

The previous prime is 625144319. The next prime is 625144361. The reversal of 625144342 is 243441526.

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

It is a super-2 number, since 2×625144342² = 781610896669225928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85648 + ... + 92659.

It is an arithmetic number, because the mean of its divisors is an integer number (117282087).

Almost surely, 2^625144342 is an apocalyptic number.

625144342 is a deficient number, since it is larger than the sum of its proper divisors (313112354).

625144342 is a wasteful number, since it uses less digits than its factorization.

625144342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180062.

The product of its digits is 23040, while the sum is 31.

The square root of 625144342 is about 25002.8866733423. The cubic root of 625144342 is about 855.0537872983.

Adding to 625144342 its reverse (243441526), we get a palindrome (868585868).

The spelling of 625144342 in words is "six hundred twenty-five million, one hundred forty-four thousand, three hundred forty-two".