155234115 has 24 divisors (see below), whose sum is σ = 269556768. Its totient is φ = 82642560.

The previous prime is 155234087. The next prime is 155234119. The reversal of 155234115 is 511432551.

It is a de Polignac number, because none of the positive numbers 2^k-155234115 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155234119) 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, 24970 + ... + 30560.

It is an arithmetic number, because the mean of its divisors is an integer number (11231532).

Almost surely, 2^155234115 is an apocalyptic number.

155234115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155234115 is a deficient number, since it is larger than the sum of its proper divisors (114322653).

155234115 is a wasteful number, since it uses less digits than its factorization.

155234115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6219 (or 6216 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 155234115 is about 12459.2983349786. The cubic root of 155234115 is about 537.4388493620.

Adding to 155234115 its reverse (511432551), we get a palindrome (666666666).

It can be divided in two parts, 155 and 234115, that added together give a triangular number (234270 = T₆₈₄).

The spelling of 155234115 in words is "one hundred fifty-five million, two hundred thirty-four thousand, one hundred fifteen".