155670151 has 8 divisors (see below), whose sum is σ = 191594144. Its totient is φ = 123167520.

The previous prime is 155670113. The next prime is 155670181. The reversal of 155670151 is 151076551.

155670151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155670151 - 2¹³ = 155661959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155670101) 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, 855240 + ... + 855421.

It is an arithmetic number, because the mean of its divisors is an integer number (23949268).

Almost surely, 2^155670151 is an apocalyptic number.

155670151 is a deficient number, since it is larger than the sum of its proper divisors (35923993).

155670151 is a wasteful number, since it uses less digits than its factorization.

155670151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710681.

The product of its (nonzero) digits is 5250, while the sum is 31.

The square root of 155670151 is about 12476.7844815882. The cubic root of 155670151 is about 537.9415816670.

The spelling of 155670151 in words is "one hundred fifty-five million, six hundred seventy thousand, one hundred fifty-one".