155130033 has 8 divisors (see below), whose sum is σ = 211241088. Its totient is φ = 101219504.

The previous prime is 155130029. The next prime is 155130043. The reversal of 155130033 is 330031551.

It is a happy number.

155130033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 155130033 - 2² = 155130029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155129991 and 155130009.

It is not an unprimeable number, because it can be changed into a prime (155130023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549966 + ... + 550247.

It is an arithmetic number, because the mean of its divisors is an integer number (26405136).

Almost surely, 2^155130033 is an apocalyptic number.

It is an amenable number.

155130033 is a deficient number, since it is larger than the sum of its proper divisors (56111055).

155130033 is a wasteful number, since it uses less digits than its factorization.

155130033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100263.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 155130033 is about 12455.1207541316. The cubic root of 155130033 is about 537.3187077793.

Adding to 155130033 its reverse (330031551), we get a palindrome (485161584).

The spelling of 155130033 in words is "one hundred fifty-five million, one hundred thirty thousand, thirty-three".