155043412 has 12 divisors (see below), whose sum is σ = 277099200. Its totient is φ = 75872216.

The previous prime is 155043409. The next prime is 155043443. The reversal of 155043412 is 214340551.

It is a happy number.

155043412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 412162 + ... + 412537.

It is an arithmetic number, because the mean of its divisors is an integer number (23091600).

Almost surely, 2^155043412 is an apocalyptic number.

It is an amenable number.

155043412 is a deficient number, since it is larger than the sum of its proper divisors (122055788).

155043412 is a wasteful number, since it uses less digits than its factorization.

155043412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824750 (or 824748 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 155043412 is about 12451.6429438046. The cubic root of 155043412 is about 537.2186804057.

Adding to 155043412 its reverse (214340551), we get a palindrome (369383963).

The spelling of 155043412 in words is "one hundred fifty-five million, forty-three thousand, four hundred twelve".