155422130 has 32 divisors (see below), whose sum is σ = 284667264. Its totient is φ = 61088256.

The previous prime is 155422097. The next prime is 155422139. The reversal of 155422130 is 31224551.

It is a junction number, because it is equal to n+sod(n) for n = 155422096 and 155422105.

It is not an unprimeable number, because it can be changed into a prime (155422139) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 157619 + ... + 158601.

It is an arithmetic number, because the mean of its divisors is an integer number (8895852).

Almost surely, 2^155422130 is an apocalyptic number.

155422130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155422130 is a deficient number, since it is larger than the sum of its proper divisors (129245134).

155422130 is a wasteful number, since it uses less digits than its factorization.

155422130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 155422130 is about 12466.8412198119. The cubic root of 155422130 is about 537.6557385379.

Adding to 155422130 its reverse (31224551), we get a palindrome (186646681).

The spelling of 155422130 in words is "one hundred fifty-five million, four hundred twenty-two thousand, one hundred thirty".