155013044 has 12 divisors (see below), whose sum is σ = 273094500. Its totient is φ = 76986048.

The previous prime is 155012981. The next prime is 155013071. The reversal of 155013044 is 440310551.

155013044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 90820900 + 64192144 = 9530^2 + 8012^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129449 + ... + 130640.

It is an arithmetic number, because the mean of its divisors is an integer number (22757875).

Almost surely, 2^155013044 is an apocalyptic number.

It is an amenable number.

155013044 is a deficient number, since it is larger than the sum of its proper divisors (118081456).

155013044 is a wasteful number, since it uses less digits than its factorization.

155013044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260242 (or 260240 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 155013044 is about 12450.4234466142. The cubic root of 155013044 is about 537.1836035156.

Adding to 155013044 its reverse (440310551), we get a palindrome (595323595).

The spelling of 155013044 in words is "one hundred fifty-five million, thirteen thousand, forty-four".