155242122302 has 8 divisors (see below), whose sum is σ = 238278606456. Its totient is φ = 75815920152.

The previous prime is 155242122253. The next prime is 155242122319. The reversal of 155242122302 is 203221242551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902570393 + ... + 902570564.

It is an arithmetic number, because the mean of its divisors is an integer number (29784825807).

Almost surely, 2^155242122302 is an apocalyptic number.

155242122302 is a deficient number, since it is larger than the sum of its proper divisors (83036484154).

155242122302 is a wasteful number, since it uses less digits than its factorization.

155242122302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805141002.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 155242122302 its reverse (203221242551), we get a palindrome (358463364853).

The spelling of 155242122302 in words is "one hundred fifty-five billion, two hundred forty-two million, one hundred twenty-two thousand, three hundred two".