147359991 has 32 divisors (see below), whose sum is σ = 215424000. Its totient is φ = 89244288.

The previous prime is 147359983. The next prime is 147360007. The reversal of 147359991 is 199953741.

It is not a de Polignac number, because 147359991 - 2³ = 147359983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147359991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147359911) 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 31 ways as a sum of consecutive naturals, for example, 394881 + ... + 395253.

It is an arithmetic number, because the mean of its divisors is an integer number (6732000).

Almost surely, 2^147359991 is an apocalyptic number.

147359991 is a deficient number, since it is larger than the sum of its proper divisors (68064009).

147359991 is a wasteful number, since it uses less digits than its factorization.

147359991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

The product of its digits is 306180, while the sum is 48.

The square root of 147359991 is about 12139.1923536947. The cubic root of 147359991 is about 528.1936739286.

The spelling of 147359991 in words is "one hundred forty-seven million, three hundred fifty-nine thousand, nine hundred ninety-one".