155502106 has 8 divisors (see below), whose sum is σ = 237654324. Its totient is φ = 76284000.

The previous prime is 155502101. The next prime is 155502119. The reversal of 155502106 is 601205551.

It can be written as a sum of positive squares in 2 ways, for example, as 154380625 + 1121481 = 12425^2 + 1059^2 .

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

It is not an unprimeable number, because it can be changed into a prime (155502101) 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 3 ways as a sum of consecutive naturals, for example, 733395 + ... + 733606.

Almost surely, 2^155502106 is an apocalyptic number.

155502106 is a deficient number, since it is larger than the sum of its proper divisors (82152218).

155502106 is a wasteful number, since it uses less digits than its factorization.

155502106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467056.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 155502106 is about 12470.0483559608. The cubic root of 155502106 is about 537.7479437298.

Adding to 155502106 its reverse (601205551), we get a palindrome (756707657).

The spelling of 155502106 in words is "one hundred fifty-five million, five hundred two thousand, one hundred six".