155124036 has 18 divisors (see below), whose sum is σ = 392119182. Its totient is φ = 51708000.

The previous prime is 155124019. The next prime is 155124041. The reversal of 155124036 is 630421551.

It can be written as a sum of positive squares in only one way, i.e., 151437636 + 3686400 = 12306^2 + 1920^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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 5 ways as a sum of consecutive naturals, for example, 2154465 + ... + 2154536.

It is an arithmetic number, because the mean of its divisors is an integer number (21784399).

Almost surely, 2^155124036 is an apocalyptic number.

It is an amenable number.

155124036 is an abundant number, since it is smaller than the sum of its proper divisors (236995146).

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

155124036 is a wasteful number, since it uses less digits than its factorization.

155124036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309011 (or 4309006 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 155124036 is about 12454.8800074509. The cubic root of 155124036 is about 537.3117838207.

Adding to 155124036 its reverse (630421551), we get a palindrome (785545587).

The spelling of 155124036 in words is "one hundred fifty-five million, one hundred twenty-four thousand, thirty-six".