147288561 has 36 divisors (see below), whose sum is σ = 242746128. Its totient is φ = 79191168.

The previous prime is 147288541. The next prime is 147288599. The reversal of 147288561 is 165882741.

It is not a de Polignac number, because 147288561 - 2⁶ = 147288497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147288511) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40750 + ... + 44216.

It is an arithmetic number, because the mean of its divisors is an integer number (6742948).

Almost surely, 2^147288561 is an apocalyptic number.

It is an amenable number.

147288561 is a deficient number, since it is larger than the sum of its proper divisors (95457567).

147288561 is a wasteful number, since it uses less digits than its factorization.

147288561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518 (or 3494 counting only the distinct ones).

The product of its digits is 107520, while the sum is 42.

The square root of 147288561 is about 12136.2498738284. The cubic root of 147288561 is about 528.1083161332.

The spelling of 147288561 in words is "one hundred forty-seven million, two hundred eighty-eight thousand, five hundred sixty-one".