158126543 has 2 divisors, whose sum is σ = 158126544. Its totient is φ = 158126542.

The previous prime is 158126519. The next prime is 158126597. The reversal of 158126543 is 345621851.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 158126543 - 2¹⁴ = 158110159 is a prime.

It is a super-2 number, since 2×158126543² = 50008007202261698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158126513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79063271 + 79063272.

It is an arithmetic number, because the mean of its divisors is an integer number (79063272).

Almost surely, 2^158126543 is an apocalyptic number.

158126543 is a deficient number, since it is larger than the sum of its proper divisors (1).

158126543 is an equidigital number, since it uses as much as digits as its factorization.

158126543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 35.

The square root of 158126543 is about 12574.8376927895. The cubic root of 158126543 is about 540.7563053623.

The spelling of 158126543 in words is "one hundred fifty-eight million, one hundred twenty-six thousand, five hundred forty-three".