155422102 has 16 divisors (see below), whose sum is σ = 254745792. Its totient is φ = 70530120.

The previous prime is 155422097. The next prime is 155422139. The reversal of 155422102 is 201224551.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8653 + ... + 19639.

It is an arithmetic number, because the mean of its divisors is an integer number (15921612).

Almost surely, 2^155422102 is an apocalyptic number.

155422102 is a deficient number, since it is larger than the sum of its proper divisors (99323690).

155422102 is a wasteful number, since it uses less digits than its factorization.

155422102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11643.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 155422102 is about 12466.8400968329. The cubic root of 155422102 is about 537.6557062508.

Adding to 155422102 its reverse (201224551), we get a palindrome (356646653).

The spelling of 155422102 in words is "one hundred fifty-five million, four hundred twenty-two thousand, one hundred two".