155315105 has 8 divisors (see below), whose sum is σ = 203321664. Its totient is φ = 112956400.

The previous prime is 155315099. The next prime is 155315137. The reversal of 155315105 is 501513551.

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

It is not a de Polignac number, because 155315105 - 2¹⁶ = 155249569 is a prime.

It is a super-2 number, since 2×155315105² = 48245563682322050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1411901 + ... + 1412010.

It is an arithmetic number, because the mean of its divisors is an integer number (25415208).

Almost surely, 2^155315105 is an apocalyptic number.

It is an amenable number.

155315105 is a deficient number, since it is larger than the sum of its proper divisors (48006559).

155315105 is a wasteful number, since it uses less digits than its factorization.

155315105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823927.

The product of its (nonzero) digits is 1875, while the sum is 26.

The square root of 155315105 is about 12462.5480941900. The cubic root of 155315105 is about 537.5322987622.

Adding to 155315105 its reverse (501513551), we get a palindrome (656828656).

The spelling of 155315105 in words is "one hundred fifty-five million, three hundred fifteen thousand, one hundred five".