155263115 has 24 divisors (see below), whose sum is σ = 217443600. Its totient is φ = 106118208.

The previous prime is 155263111. The next prime is 155263123. The reversal of 155263115 is 511362551.

It is not a de Polignac number, because 155263115 - 2² = 155263111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155263111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90536 + ... + 92234.

It is an arithmetic number, because the mean of its divisors is an integer number (9060150).

Almost surely, 2^155263115 is an apocalyptic number.

155263115 is a deficient number, since it is larger than the sum of its proper divisors (62180485).

155263115 is a wasteful number, since it uses less digits than its factorization.

155263115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091 (or 2084 counting only the distinct ones).

The product of its digits is 4500, while the sum is 29.

The square root of 155263115 is about 12460.4620700839. The cubic root of 155263115 is about 537.4723144204.

The spelling of 155263115 in words is "one hundred fifty-five million, two hundred sixty-three thousand, one hundred fifteen".