431626142 has 8 divisors (see below), whose sum is σ = 675588816. Its totient is φ = 206429872.

The previous prime is 431626133. The next prime is 431626159. The reversal of 431626142 is 241626134.

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

It is a super-2 number, since 2×431626142² = 372602252915608328, 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4691543 + ... + 4691634.

It is an arithmetic number, because the mean of its divisors is an integer number (84448602).

Almost surely, 2^431626142 is an apocalyptic number.

431626142 is a deficient number, since it is larger than the sum of its proper divisors (243962674).

431626142 is a wasteful number, since it uses less digits than its factorization.

431626142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9383202.

The product of its digits is 6912, while the sum is 29.

The square root of 431626142 is about 20775.6141184803. The cubic root of 431626142 is about 755.7344968314.

The spelling of 431626142 in words is "four hundred thirty-one million, six hundred twenty-six thousand, one hundred forty-two".