308672556142 has 8 divisors (see below), whose sum is σ = 463083858216. Its totient is φ = 154311270072.

The previous prime is 308672556131. The next prime is 308672556149. The reversal of 308672556142 is 241655276803.

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

It is a super-2 number, since 2×308672556142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308672556149) 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, 12488568 + ... + 12513259.

It is an arithmetic number, because the mean of its divisors is an integer number (57885482277).

Almost surely, 2^308672556142 is an apocalyptic number.

308672556142 is a deficient number, since it is larger than the sum of its proper divisors (154411302074).

308672556142 is a wasteful number, since it uses less digits than its factorization.

308672556142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25008002.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 308672556142 in words is "three hundred eight billion, six hundred seventy-two million, five hundred fifty-six thousand, one hundred forty-two".