30642045155 has 8 divisors (see below), whose sum is σ = 37667294784. Its totient is φ = 23915742400.

The previous prime is 30642045107. The next prime is 30642045167. The reversal of 30642045155 is 55154024603.

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

It is not a de Polignac number, because 30642045155 - 2⁸ = 30642044899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74736491 + ... + 74736900.

It is an arithmetic number, because the mean of its divisors is an integer number (4708411848).

Almost surely, 2^30642045155 is an apocalyptic number.

30642045155 is a deficient number, since it is larger than the sum of its proper divisors (7025249629).

30642045155 is a wasteful number, since it uses less digits than its factorization.

30642045155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149473437.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 30642045155 its reverse (55154024603), we get a palindrome (85796069758).

The spelling of 30642045155 in words is "thirty billion, six hundred forty-two million, forty-five thousand, one hundred fifty-five".