155195315 has 8 divisors (see below), whose sum is σ = 203164848. Its totient is φ = 112869280.

The previous prime is 155195297. The next prime is 155195317. The reversal of 155195315 is 513591551.

It is a happy number.

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

It is not a de Polignac number, because 155195315 - 2¹² = 155191219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155195317) 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, 1410812 + ... + 1410921.

It is an arithmetic number, because the mean of its divisors is an integer number (25395606).

Almost surely, 2^155195315 is an apocalyptic number.

155195315 is a deficient number, since it is larger than the sum of its proper divisors (47969533).

155195315 is a wasteful number, since it uses less digits than its factorization.

155195315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821749.

The product of its digits is 16875, while the sum is 35.

The square root of 155195315 is about 12457.7411676435. The cubic root of 155195315 is about 537.3940689026.

The spelling of 155195315 in words is "one hundred fifty-five million, one hundred ninety-five thousand, three hundred fifteen".