30142332154 has 32 divisors (see below), whose sum is σ = 52240070016. Its totient is φ = 12891448320.

The previous prime is 30142332149. The next prime is 30142332193. The reversal of 30142332154 is 45123324103.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612747 + ... + 1631329.

It is an arithmetic number, because the mean of its divisors is an integer number (1632502188).

Almost surely, 2^30142332154 is an apocalyptic number.

30142332154 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30142332154 is a deficient number, since it is larger than the sum of its proper divisors (22097737862).

30142332154 is a wasteful number, since it uses less digits than its factorization.

30142332154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22950.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 30142332154 its reverse (45123324103), we get a palindrome (75265656257).

The spelling of 30142332154 in words is "thirty billion, one hundred forty-two million, three hundred thirty-two thousand, one hundred fifty-four".