395253142 has 4 divisors (see below), whose sum is σ = 592879716. Its totient is φ = 197626570.

The previous prime is 395253113. The next prime is 395253149. The reversal of 395253142 is 241352593.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 395253098 and 395253107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395253149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98813284 + ... + 98813287.

It is an arithmetic number, because the mean of its divisors is an integer number (148219929).

Almost surely, 2^395253142 is an apocalyptic number.

395253142 is a deficient number, since it is larger than the sum of its proper divisors (197626574).

395253142 is a wasteful number, since it uses less digits than its factorization.

395253142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197626573.

The product of its digits is 32400, while the sum is 34.

The square root of 395253142 is about 19880.9743725000. The cubic root of 395253142 is about 733.8800980683.

The spelling of 395253142 in words is "three hundred ninety-five million, two hundred fifty-three thousand, one hundred forty-two".