155003120342 has 16 divisors (see below), whose sum is σ = 268921078272. Its totient is φ = 65629547880.

The previous prime is 155003120341. The next prime is 155003120417. The reversal of 155003120342 is 243021300551.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155003120341) 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, 66695534 + ... + 66697857.

It is an arithmetic number, because the mean of its divisors is an integer number (16807567392).

Almost surely, 2^155003120342 is an apocalyptic number.

155003120342 is a deficient number, since it is larger than the sum of its proper divisors (113917957930).

155003120342 is a wasteful number, since it uses less digits than its factorization.

155003120342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133393483.

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

Adding to 155003120342 its reverse (243021300551), we get a palindrome (398024420893).

The spelling of 155003120342 in words is "one hundred fifty-five billion, three million, one hundred twenty thousand, three hundred forty-two".