155130422 has 8 divisors (see below), whose sum is σ = 233104872. Its totient is φ = 77428800.

The previous prime is 155130397. The next prime is 155130431. The reversal of 155130422 is 224031551.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66779 + ... + 69062.

It is an arithmetic number, because the mean of its divisors is an integer number (29138109).

Almost surely, 2^155130422 is an apocalyptic number.

155130422 is a deficient number, since it is larger than the sum of its proper divisors (77974450).

155130422 is a wasteful number, since it uses less digits than its factorization.

155130422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136414.

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

The square root of 155130422 is about 12455.1363701888. The cubic root of 155130422 is about 537.3191569011.

Adding to 155130422 its reverse (224031551), we get a palindrome (379161973).

The spelling of 155130422 in words is "one hundred fifty-five million, one hundred thirty thousand, four hundred twenty-two".