158473057 has 2 divisors, whose sum is σ = 158473058. Its totient is φ = 158473056.

The previous prime is 158473039. The next prime is 158473069. The reversal of 158473057 is 750374851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83978896 + 74494161 = 9164^2 + 8631^2 .

It is an emirp because it is prime and its reverse (750374851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158473057 - 2¹¹ = 158471009 is a prime.

It is a super-2 number, since 2×158473057² = 50227419589850498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (158473087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79236528 + 79236529.

It is an arithmetic number, because the mean of its divisors is an integer number (79236529).

Almost surely, 2^158473057 is an apocalyptic number.

It is an amenable number.

158473057 is a deficient number, since it is larger than the sum of its proper divisors (1).

158473057 is an equidigital number, since it uses as much as digits as its factorization.

158473057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 158473057 is about 12588.6082233105. The cubic root of 158473057 is about 541.1510165020.

The spelling of 158473057 in words is "one hundred fifty-eight million, four hundred seventy-three thousand, fifty-seven".