155130555 has 8 divisors (see below), whose sum is σ = 248208912. Its totient is φ = 82736288.

The previous prime is 155130553. The next prime is 155130587. The reversal of 155130555 is 555031551.

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

It is a cyclic number.

It is not a de Polignac number, because 155130555 - 2¹ = 155130553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155130553) by changing a digit.

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, 5171004 + ... + 5171033.

It is an arithmetic number, because the mean of its divisors is an integer number (31026114).

Almost surely, 2^155130555 is an apocalyptic number.

155130555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155130555 is a deficient number, since it is larger than the sum of its proper divisors (93078357).

155130555 is a wasteful number, since it uses less digits than its factorization.

155130555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10342045.

The product of its (nonzero) digits is 9375, while the sum is 30.

The square root of 155130555 is about 12455.1417093504. The cubic root of 155130555 is about 537.3193104567.

The spelling of 155130555 in words is "one hundred fifty-five million, one hundred thirty thousand, five hundred fifty-five".