155982922 has 16 divisors (see below), whose sum is σ = 252414792. Its totient is φ = 72017920.

The previous prime is 155982907. The next prime is 155982929. The reversal of 155982922 is 229289551.

It can be written as a sum of positive squares in 4 ways, for example, as 146192281 + 9790641 = 12091^2 + 3129^2 .

It is not an unprimeable number, because it can be changed into a prime (155982929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41479 + ... + 45082.

Almost surely, 2^155982922 is an apocalyptic number.

155982922 is a deficient number, since it is larger than the sum of its proper divisors (96431870).

155982922 is a wasteful number, since it uses less digits than its factorization.

155982922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86633.

The product of its digits is 129600, while the sum is 43.

The square root of 155982922 is about 12489.3123109321. The cubic root of 155982922 is about 538.3016163668.

The spelling of 155982922 in words is "one hundred fifty-five million, nine hundred eighty-two thousand, nine hundred twenty-two".