158064289 has 4 divisors (see below), whose sum is σ = 158142256. Its totient is φ = 157986324.

The previous prime is 158064281. The next prime is 158064299. The reversal of 158064289 is 982460851.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 982460851 = 1103 ⋅890717.

It is a cyclic number.

It is not a de Polignac number, because 158064289 - 2³ = 158064281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158064281) 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, 35859 + ... + 40024.

It is an arithmetic number, because the mean of its divisors is an integer number (39535564).

Almost surely, 2^158064289 is an apocalyptic number.

It is an amenable number.

158064289 is a deficient number, since it is larger than the sum of its proper divisors (77967).

158064289 is an equidigital number, since it uses as much as digits as its factorization.

158064289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77966.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 158064289 is about 12572.3621090072. The cubic root of 158064289 is about 540.6853312737.

The spelling of 158064289 in words is "one hundred fifty-eight million, sixty-four thousand, two hundred eighty-nine".