155633 has 4 divisors (see below), whose sum is σ = 157248. Its totient is φ = 154020.

The previous prime is 155627. The next prime is 155653. The reversal of 155633 is 336551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 155633 - 2⁶ = 155569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155599 and 155608.

It is not an unprimeable number, because it can be changed into a prime (155653) 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, 653 + ... + 858.

It is an arithmetic number, because the mean of its divisors is an integer number (39312).

2¹⁵⁵⁶³³ is an apocalyptic number.

It is an amenable number.

155633 is a deficient number, since it is larger than the sum of its proper divisors (1615).

155633 is a wasteful number, since it uses less digits than its factorization.

155633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614.

The product of its digits is 1350, while the sum is 23.

The square root of 155633 is about 394.5034854092. The cubic root of 155633 is about 53.7898784643.

The spelling of 155633 in words is "one hundred fifty-five thousand, six hundred thirty-three".