155012150 has 24 divisors (see below), whose sum is σ = 290271600. Its totient is φ = 61585760.

The previous prime is 155012149. The next prime is 155012159. The reversal of 155012150 is 51210551.

It is a happy number.

155012150 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 not an unprimeable number, because it can be changed into a prime (155012159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2954 + ... + 17853.

It is an arithmetic number, because the mean of its divisors is an integer number (12094650).

Almost surely, 2^155012150 is an apocalyptic number.

155012150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155012150 is a deficient number, since it is larger than the sum of its proper divisors (135259450).

155012150 is a wasteful number, since it uses less digits than its factorization.

155012150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20968 (or 20963 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 155012150 is about 12450.3875441691. The cubic root of 155012150 is about 537.1825708218.

The spelling of 155012150 in words is "one hundred fifty-five million, twelve thousand, one hundred fifty".