151530555 has 32 divisors (see below), whose sum is σ = 275996160. Its totient is φ = 70273280.

The previous prime is 151530523. The next prime is 151530563. The reversal of 151530555 is 555035151.

It is not a de Polignac number, because 151530555 - 2⁵ = 151530523 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16170 + ... + 23759.

It is an arithmetic number, because the mean of its divisors is an integer number (8624880).

Almost surely, 2^151530555 is an apocalyptic number.

151530555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

151530555 is a deficient number, since it is larger than the sum of its proper divisors (124465605).

151530555 is a wasteful number, since it uses less digits than its factorization.

151530555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39971.

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

The square root of 151530555 is about 12309.7747745440. The cubic root of 151530555 is about 533.1303474499.

The spelling of 151530555 in words is "one hundred fifty-one million, five hundred thirty thousand, five hundred fifty-five".