145664359 has 4 divisors (see below), whose sum is σ = 151997616. Its totient is φ = 139331104.

The previous prime is 145664357. The next prime is 145664369. The reversal of 145664359 is 953466541.

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

It is a cyclic number.

It is not a de Polignac number, because 145664359 - 2¹ = 145664357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145664357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3166594 + ... + 3166639.

It is an arithmetic number, because the mean of its divisors is an integer number (37999404).

Almost surely, 2^145664359 is an apocalyptic number.

145664359 is a deficient number, since it is larger than the sum of its proper divisors (6333257).

145664359 is an equidigital number, since it uses as much as digits as its factorization.

145664359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6333256.

The product of its digits is 388800, while the sum is 43.

The square root of 145664359 is about 12069.1490586536. The cubic root of 145664359 is about 526.1599254925.

The spelling of 145664359 in words is "one hundred forty-five million, six hundred sixty-four thousand, three hundred fifty-nine".