155015151 has 8 divisors (see below), whose sum is σ = 207352704. Its totient is φ = 103010520.

The previous prime is 155015131. The next prime is 155015173. The reversal of 155015151 is 151510551.

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

It is not a de Polignac number, because 155015151 - 2¹⁵ = 154982383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155015111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82141 + ... + 84006.

It is an arithmetic number, because the mean of its divisors is an integer number (25919088).

Almost surely, 2^155015151 is an apocalyptic number.

155015151 is a deficient number, since it is larger than the sum of its proper divisors (52337553).

155015151 is a wasteful number, since it uses less digits than its factorization.

155015151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166461.

The product of its (nonzero) digits is 625, while the sum is 24.

The square root of 155015151 is about 12450.5080619226. The cubic root of 155015151 is about 537.1860373769.

The spelling of 155015151 in words is "one hundred fifty-five million, fifteen thousand, one hundred fifty-one".