158473069 has 2 divisors, whose sum is σ = 158473070. Its totient is φ = 158473068.

The previous prime is 158473057. The next prime is 158473079. The reversal of 158473069 is 960374851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101243844 + 57229225 = 10062^2 + 7565^2 .

It is a cyclic number.

It is not a de Polignac number, because 158473069 - 2¹¹ = 158471021 is a prime.

It is a super-2 number, since 2×158473069² = 50227427196557522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158473039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79236534 + 79236535.

It is an arithmetic number, because the mean of its divisors is an integer number (79236535).

Almost surely, 2^158473069 is an apocalyptic number.

It is an amenable number.

158473069 is a deficient number, since it is larger than the sum of its proper divisors (1).

158473069 is an equidigital number, since it uses as much as digits as its factorization.

158473069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 158473069 is about 12588.6086999319. The cubic root of 158473069 is about 541.1510301611.

The spelling of 158473069 in words is "one hundred fifty-eight million, four hundred seventy-three thousand, sixty-nine".