155310142514321 has 8 divisors (see below), whose sum is σ = 162066363164160. Its totient is φ = 148554222344352.

The previous prime is 155310142514291. The next prime is 155310142514323. The reversal of 155310142514321 is 123415241013551.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155310142514321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155310142514323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74063420 + ... + 76131533.

It is an arithmetic number, because the mean of its divisors is an integer number (20258295395520).

Almost surely, 2^{155310142514321} is an apocalyptic number.

It is an amenable number.

155310142514321 is a deficient number, since it is larger than the sum of its proper divisors (6756220649839).

155310142514321 is a wasteful number, since it uses less digits than its factorization.

155310142514321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150239935.

The product of its (nonzero) digits is 72000, while the sum is 38.

Adding to 155310142514321 its reverse (123415241013551), we get a palindrome (278725383527872).

The spelling of 155310142514321 in words is "one hundred fifty-five trillion, three hundred ten billion, one hundred forty-two million, five hundred fourteen thousand, three hundred twenty-one".