155091234 has 16 divisors (see below), whose sum is σ = 310435488. Its totient is φ = 51654912.

The previous prime is 155091203. The next prime is 155091241. The reversal of 155091234 is 432190551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2047 + ... + 17730.

It is an arithmetic number, because the mean of its divisors is an integer number (19402218).

Almost surely, 2^155091234 is an apocalyptic number.

155091234 is an abundant number, since it is smaller than the sum of its proper divisors (155344254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155091234 is a wasteful number, since it uses less digits than its factorization.

155091234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21089.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 155091234 is about 12453.5631045898. The cubic root of 155091234 is about 537.2739084447.

The spelling of 155091234 in words is "one hundred fifty-five million, ninety-one thousand, two hundred thirty-four".