155122433 has 8 divisors (see below), whose sum is σ = 166561920. Its totient is φ = 143940160.

The previous prime is 155122427. The next prime is 155122447. The reversal of 155122433 is 334221551.

It is a happy number.

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 155122433 - 2²⁴ = 138345217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155122453) 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, 63053 + ... + 65466.

It is an arithmetic number, because the mean of its divisors is an integer number (20820240).

Almost surely, 2^155122433 is an apocalyptic number.

It is an amenable number.

155122433 is a deficient number, since it is larger than the sum of its proper divisors (11439487).

155122433 is a wasteful number, since it uses less digits than its factorization.

155122433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128607.

The product of its digits is 3600, while the sum is 26.

The square root of 155122433 is about 12454.8156549987. The cubic root of 155122433 is about 537.3099330141.

Adding to 155122433 its reverse (334221551), we get a palindrome (489343984).

The spelling of 155122433 in words is "one hundred fifty-five million, one hundred twenty-two thousand, four hundred thirty-three".