155250533 has 4 divisors (see below), whose sum is σ = 155803308. Its totient is φ = 154697760.

The previous prime is 155250523. The next prime is 155250547. The reversal of 155250533 is 335052551.

155250533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61199329 + 94051204 = 7823^2 + 9698^2 .

It is a cyclic number.

It is not a de Polignac number, because 155250533 - 2¹⁸ = 154988389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155250496 and 155250505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155250523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275966 + ... + 276527.

It is an arithmetic number, because the mean of its divisors is an integer number (38950827).

Almost surely, 2^155250533 is an apocalyptic number.

It is an amenable number.

155250533 is a deficient number, since it is larger than the sum of its proper divisors (552775).

155250533 is an equidigital number, since it uses as much as digits as its factorization.

155250533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552774.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 155250533 is about 12459.9571829120. The cubic root of 155250533 is about 537.4577957127.

The spelling of 155250533 in words is "one hundred fifty-five million, two hundred fifty thousand, five hundred thirty-three".