155072883029 has 4 divisors (see below), whose sum is σ = 155388714240. Its totient is φ = 154757051820.

The previous prime is 155072882989. The next prime is 155072883047. The reversal of 155072883029 is 920388270551.

It is a happy number.

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 155072883029 - 2²⁸ = 154804447573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155072883059) 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, 157914869 + ... + 157915850.

It is an arithmetic number, because the mean of its divisors is an integer number (38847178560).

Almost surely, 2^155072883029 is an apocalyptic number.

It is an amenable number.

155072883029 is a deficient number, since it is larger than the sum of its proper divisors (315831211).

155072883029 is an equidigital number, since it uses as much as digits as its factorization.

155072883029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315831210.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 155072883029 in words is "one hundred fifty-five billion, seventy-two million, eight hundred eighty-three thousand, twenty-nine".