155315325145 has 8 divisors (see below), whose sum is σ = 186709438656. Its totient is φ = 124031561136.

The previous prime is 155315325107. The next prime is 155315325203. The reversal of 155315325145 is 541523513551.

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-155315325145 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155315325098 and 155315325107.

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, 27584277 + ... + 27589906.

It is an arithmetic number, because the mean of its divisors is an integer number (23338679832).

Almost surely, 2^155315325145 is an apocalyptic number.

It is an amenable number.

155315325145 is a deficient number, since it is larger than the sum of its proper divisors (31394113511).

155315325145 is an equidigital number, since it uses as much as digits as its factorization.

155315325145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55174751.

The product of its digits is 225000, while the sum is 40.

Adding to 155315325145 its reverse (541523513551), we get a palindrome (696838838696).

The spelling of 155315325145 in words is "one hundred fifty-five billion, three hundred fifteen million, three hundred twenty-five thousand, one hundred forty-five".