30142323157 has 8 divisors (see below), whose sum is σ = 30190357152. Its totient is φ = 30094318800.

The previous prime is 30142323149. The next prime is 30142323203. The reversal of 30142323157 is 75132324103.

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

It is a cyclic number.

It is not a de Polignac number, because 30142323157 - 2³ = 30142323149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142623157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2856982 + ... + 2867512.

It is an arithmetic number, because the mean of its divisors is an integer number (3773794644).

Almost surely, 2^30142323157 is an apocalyptic number.

It is an amenable number.

30142323157 is a deficient number, since it is larger than the sum of its proper divisors (48033995).

30142323157 is a wasteful number, since it uses less digits than its factorization.

30142323157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14819.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 30142323157 in words is "thirty billion, one hundred forty-two million, three hundred twenty-three thousand, one hundred fifty-seven".