155195349 has 8 divisors (see below), whose sum is σ = 207053472. Its totient is φ = 103400400.

The previous prime is 155195323. The next prime is 155195357. The reversal of 155195349 is 943591551.

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

It is not a de Polignac number, because 155195349 - 2⁵ = 155195317 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 155195349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155195389) 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, 9727 + ... + 20124.

It is an arithmetic number, because the mean of its divisors is an integer number (25881684).

Almost surely, 2^155195349 is an apocalyptic number.

It is an amenable number.

155195349 is a deficient number, since it is larger than the sum of its proper divisors (51858123).

155195349 is a wasteful number, since it uses less digits than its factorization.

155195349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31587.

The product of its digits is 121500, while the sum is 42.

The square root of 155195349 is about 12457.7425322568. The cubic root of 155195349 is about 537.3941081465.

The spelling of 155195349 in words is "one hundred fifty-five million, one hundred ninety-five thousand, three hundred forty-nine".