155050231 has 8 divisors (see below), whose sum is σ = 177297824. Its totient is φ = 132827040.

The previous prime is 155050213. The next prime is 155050237. The reversal of 155050231 is 132050551.

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 155050231 - 2¹³ = 155042039 is a prime.

It is a super-2 number, since 2×155050231² = 48081148266306722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155050237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10561 + ... + 20533.

It is an arithmetic number, because the mean of its divisors is an integer number (22162228).

Almost surely, 2^155050231 is an apocalyptic number.

155050231 is a deficient number, since it is larger than the sum of its proper divisors (22247593).

155050231 is an equidigital number, since it uses as much as digits as its factorization.

155050231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12201.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 155050231 is about 12451.9167600816. The cubic root of 155050231 is about 537.2265561364.

The spelling of 155050231 in words is "one hundred fifty-five million, fifty thousand, two hundred thirty-one".