155230315 has 8 divisors (see below), whose sum is σ = 197233920. Its totient is φ = 116879232.

The previous prime is 155230307. The next prime is 155230319. The reversal of 155230315 is 513032551.

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 155230315 - 2³ = 155230307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155230315.

It is not an unprimeable number, because it can be changed into a prime (155230319) 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, 913035 + ... + 913204.

It is an arithmetic number, because the mean of its divisors is an integer number (24654240).

Almost surely, 2^155230315 is an apocalyptic number.

155230315 is a deficient number, since it is larger than the sum of its proper divisors (42003605).

155230315 is a wasteful number, since it uses less digits than its factorization.

155230315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826261.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 155230315 is about 12459.1458374962. The cubic root of 155230315 is about 537.4344639765.

Adding to 155230315 its reverse (513032551), we get a palindrome (668262866).

The spelling of 155230315 in words is "one hundred fifty-five million, two hundred thirty thousand, three hundred fifteen".