155234151 has 10 divisors (see below), whose sum is σ = 231893112. Its totient is φ = 103489380.

The previous prime is 155234147. The next prime is 155234173. The reversal of 155234151 is 151432551.

155234151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155234151 - 2² = 155234147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155234141) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 958155 + ... + 958316.

Almost surely, 2^155234151 is an apocalyptic number.

155234151 is a deficient number, since it is larger than the sum of its proper divisors (76658961).

155234151 is an equidigital number, since it uses as much as digits as its factorization.

155234151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916483 (or 1916474 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 155234151 is about 12459.2997796826. The cubic root of 155234151 is about 537.4388909074.

The spelling of 155234151 in words is "one hundred fifty-five million, two hundred thirty-four thousand, one hundred fifty-one".