425451142 has 4 divisors (see below), whose sum is σ = 638176716. Its totient is φ = 212725570.

The previous prime is 425451133. The next prime is 425451151. The reversal of 425451142 is 241154524.

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

It is an interprime number because it is at equal distance from previous prime (425451133) and next prime (425451151).

It is a self number, because there is not a number n which added to its sum of digits gives 425451142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106362784 + ... + 106362787.

It is an arithmetic number, because the mean of its divisors is an integer number (159544179).

Almost surely, 2^425451142 is an apocalyptic number.

425451142 is a deficient number, since it is larger than the sum of its proper divisors (212725574).

425451142 is a wasteful number, since it uses less digits than its factorization.

425451142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212725573.

The product of its digits is 6400, while the sum is 28.

The square root of 425451142 is about 20626.4670266141. The cubic root of 425451142 is about 752.1132353155.

The spelling of 425451142 in words is "four hundred twenty-five million, four hundred fifty-one thousand, one hundred forty-two".