158323097 has 4 divisors (see below), whose sum is σ = 158434560. Its totient is φ = 158211636.

The previous prime is 158323069. The next prime is 158323103. The reversal of 158323097 is 790323851.

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.

It is a cyclic number.

It is not a de Polignac number, because 158323097 - 2¹⁴ = 158306713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158323097.

It is not an unprimeable number, because it can be changed into a prime (158328097) 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, 53573 + ... + 56450.

It is an arithmetic number, because the mean of its divisors is an integer number (39608640).

Almost surely, 2^158323097 is an apocalyptic number.

It is an amenable number.

158323097 is a deficient number, since it is larger than the sum of its proper divisors (111463).

158323097 is a wasteful number, since it uses less digits than its factorization.

158323097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111462.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 158323097 is about 12582.6506349020. The cubic root of 158323097 is about 540.9802690394.

The spelling of 158323097 in words is "one hundred fifty-eight million, three hundred twenty-three thousand, ninety-seven".