158087065 has 4 divisors (see below), whose sum is σ = 189704484. Its totient is φ = 126469648.

The previous prime is 158087053. The next prime is 158087077. The reversal of 158087065 is 560780851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560780851 = 2819 ⋅198929.

It is an interprime number because it is at equal distance from previous prime (158087053) and next prime (158087077).

It can be written as a sum of positive squares in 2 ways, for example, as 65869456 + 92217609 = 8116^2 + 9603^2 .

It is a cyclic number.

It is not a de Polignac number, because 158087065 - 2⁷ = 158086937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15808702 + ... + 15808711.

It is an arithmetic number, because the mean of its divisors is an integer number (47426121).

Almost surely, 2^158087065 is an apocalyptic number.

It is an amenable number.

158087065 is a deficient number, since it is larger than the sum of its proper divisors (31617419).

158087065 is an equidigital number, since it uses as much as digits as its factorization.

158087065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31617418.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 158087065 is about 12573.2678727529. The cubic root of 158087065 is about 540.7112997319.

The spelling of 158087065 in words is "one hundred fifty-eight million, eighty-seven thousand, sixty-five".