155360233 has 6 divisors (see below), whose sum is σ = 180725226. Its totient is φ = 133165872.

The previous prime is 155360209. The next prime is 155360237. The reversal of 155360233 is 332063551.

155360233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 155077209 + 283024 = 12453^2 + 532^2 .

It is not a de Polignac number, because 155360233 - 2¹⁷ = 155229161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155360237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1585260 + ... + 1585357.

It is an arithmetic number, because the mean of its divisors is an integer number (30120871).

Almost surely, 2^155360233 is an apocalyptic number.

It is an amenable number.

155360233 is a deficient number, since it is larger than the sum of its proper divisors (25364993).

155360233 is an equidigital number, since it uses as much as digits as its factorization.

155360233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170631 (or 3170624 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 155360233 is about 12464.3585073601. The cubic root of 155360233 is about 537.5843551039.

The spelling of 155360233 in words is "one hundred fifty-five million, three hundred sixty thousand, two hundred thirty-three".