155112422 has 16 divisors (see below), whose sum is σ = 236535552. Its totient is φ = 76272840.

The previous prime is 155112413. The next prime is 155112431. The reversal of 155112422 is 224211551.

It is an interprime number because it is at equal distance from previous prime (155112413) and next prime (155112431).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68033 + ... + 70275.

It is an arithmetic number, because the mean of its divisors is an integer number (14783472).

Almost surely, 2^155112422 is an apocalyptic number.

155112422 is a deficient number, since it is larger than the sum of its proper divisors (81423130).

155112422 is a wasteful number, since it uses less digits than its factorization.

155112422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803.

The product of its digits is 800, while the sum is 23.

The square root of 155112422 is about 12454.4137557735. The cubic root of 155112422 is about 537.2983741326.

Adding to 155112422 its reverse (224211551), we get a palindrome (379323973).

The spelling of 155112422 in words is "one hundred fifty-five million, one hundred twelve thousand, four hundred twenty-two".