155134012 has 24 divisors (see below), whose sum is σ = 311754240. Its totient is φ = 66803760.

The previous prime is 155134009. The next prime is 155134019. The reversal of 155134012 is 210431551.

It is a happy number.

155134012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×155134012² = 48133123358432288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155134019) 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, 91948 + ... + 93619.

It is an arithmetic number, because the mean of its divisors is an integer number (12989760).

Almost surely, 2^155134012 is an apocalyptic number.

It is an amenable number.

155134012 is an abundant number, since it is smaller than the sum of its proper divisors (156620228).

155134012 is a wasteful number, since it uses less digits than its factorization.

155134012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185601 (or 185599 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 155134012 is about 12455.2804866049. The cubic root of 155134012 is about 537.3233017165.

Adding to 155134012 its reverse (210431551), we get a palindrome (365565563).

The spelling of 155134012 in words is "one hundred fifty-five million, one hundred thirty-four thousand, twelve".