147789065 has 16 divisors (see below), whose sum is σ = 182062848. Its totient is φ = 115105536.

The previous prime is 147789029. The next prime is 147789073. The reversal of 147789065 is 560987741.

It is a cyclic number.

It is not a de Polignac number, because 147789065 - 2¹² = 147784969 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77969 + ... + 79841.

It is an arithmetic number, because the mean of its divisors is an integer number (11378928).

Almost surely, 2^147789065 is an apocalyptic number.

It is an amenable number.

147789065 is a deficient number, since it is larger than the sum of its proper divisors (34273783).

147789065 is a wasteful number, since it uses less digits than its factorization.

147789065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 147789065 is about 12156.8525943190. The cubic root of 147789065 is about 528.7058313997.

The spelling of 147789065 in words is "one hundred forty-seven million, seven hundred eighty-nine thousand, sixty-five".