155450233 has 8 divisors (see below), whose sum is σ = 157782240. Its totient is φ = 153135840.

The previous prime is 155450189. The next prime is 155450263. The reversal of 155450233 is 332054551.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155450233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155450263) 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, 13941 + ... + 22477.

It is an arithmetic number, because the mean of its divisors is an integer number (19722780).

Almost surely, 2^155450233 is an apocalyptic number.

It is an amenable number.

155450233 is a deficient number, since it is larger than the sum of its proper divisors (2332007).

155450233 is a wasteful number, since it uses less digits than its factorization.

155450233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8807.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 155450233 is about 12467.9682787534. The cubic root of 155450233 is about 537.6881423931.

The spelling of 155450233 in words is "one hundred fifty-five million, four hundred fifty thousand, two hundred thirty-three".