147216001 has 4 divisors (see below), whose sum is σ = 147250900. Its totient is φ = 147181104.

The previous prime is 147215983. The next prime is 147216019. The reversal of 147216001 is 100612741.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (147215983) and next prime (147216019).

It can be written as a sum of positive squares in 2 ways, for example, as 139263601 + 7952400 = 11801^2 + 2820^2 .

It is a cyclic number.

It is not a de Polignac number, because 147216001 - 2¹⁷ = 147084929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147216071) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10086 + ... + 19903.

It is an arithmetic number, because the mean of its divisors is an integer number (36812725).

Almost surely, 2^147216001 is an apocalyptic number.

It is an amenable number.

147216001 is a deficient number, since it is larger than the sum of its proper divisors (34899).

147216001 is an equidigital number, since it uses as much as digits as its factorization.

147216001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34898.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 147216001 is about 12133.2601142479. The cubic root of 147216001 is about 528.0215797443.

Adding to 147216001 its reverse (100612741), we get a palindrome (247828742).

The spelling of 147216001 in words is "one hundred forty-seven million, two hundred sixteen thousand, one".