155399367 has 8 divisors (see below), whose sum is σ = 207296496. Its totient is φ = 103550912.

The previous prime is 155399353. The next prime is 155399383. The reversal of 155399367 is 763993551.

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 155399367 - 2⁴ = 155399351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155399327) 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, 3918 + ... + 18059.

It is an arithmetic number, because the mean of its divisors is an integer number (25912062).

Almost surely, 2^155399367 is an apocalyptic number.

155399367 is a deficient number, since it is larger than the sum of its proper divisors (51897129).

155399367 is a wasteful number, since it uses less digits than its factorization.

155399367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24337.

The product of its digits is 765450, while the sum is 48.

The square root of 155399367 is about 12465.9282446194. The cubic root of 155399367 is about 537.6294890475.

The spelling of 155399367 in words is "one hundred fifty-five million, three hundred ninety-nine thousand, three hundred sixty-seven".