155234044 has 24 divisors (see below), whose sum is σ = 317076480. Its totient is φ = 65112816.

The previous prime is 155234041. The next prime is 155234059. The reversal of 155234044 is 440432551.

155234044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155234041) 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, 57664 + ... + 60295.

It is an arithmetic number, because the mean of its divisors is an integer number (13211520).

Almost surely, 2^155234044 is an apocalyptic number.

155234044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

155234044 is an abundant number, since it is smaller than the sum of its proper divisors (161842436).

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

155234044 is a wasteful number, since it uses less digits than its factorization.

155234044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118017 (or 118015 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 155234044 is about 12459.2954857006. The cubic root of 155234044 is about 537.4387674252.

Adding to 155234044 its reverse (440432551), we get a palindrome (595666595).

The spelling of 155234044 in words is "one hundred fifty-five million, two hundred thirty-four thousand, forty-four".