155402322 has 16 divisors (see below), whose sum is σ = 314739840. Its totient is φ = 51144912.

The previous prime is 155402297. The next prime is 155402323. The reversal of 155402322 is 223204551.

155402322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155402292 and 155402301.

It is not an unprimeable number, because it can be changed into a prime (155402323) 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, 163453 + ... + 164400.

It is an arithmetic number, because the mean of its divisors is an integer number (19671240).

Almost surely, 2^155402322 is an apocalyptic number.

155402322 is an abundant number, since it is smaller than the sum of its proper divisors (159337518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155402322 is a wasteful number, since it uses less digits than its factorization.

155402322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327937.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 155402322 is about 12466.0467671191. The cubic root of 155402322 is about 537.6328967942.

Adding to 155402322 its reverse (223204551), we get a palindrome (378606873).

The spelling of 155402322 in words is "one hundred fifty-five million, four hundred two thousand, three hundred twenty-two".