151605155 has 8 divisors (see below), whose sum is σ = 195920592. Its totient is φ = 111954528.

The previous prime is 151605151. The next prime is 151605163. The reversal of 151605155 is 551506151.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 151605155 - 2² = 151605151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151605151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1166129 + ... + 1166258.

It is an arithmetic number, because the mean of its divisors is an integer number (24490074).

Almost surely, 2^151605155 is an apocalyptic number.

151605155 is a deficient number, since it is larger than the sum of its proper divisors (44315437).

151605155 is a wasteful number, since it uses less digits than its factorization.

151605155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332405.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 151605155 is about 12312.8045140009. The cubic root of 151605155 is about 533.2178215549.

The spelling of 151605155 in words is "one hundred fifty-one million, six hundred five thousand, one hundred fifty-five".