158436101 has 2 divisors, whose sum is σ = 158436102. Its totient is φ = 158436100.

The previous prime is 158436053. The next prime is 158436119. The reversal of 158436101 is 101634851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158105476 + 330625 = 12574^2 + 575^2 .

It is an emirp because it is prime and its reverse (101634851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158436101 - 2¹⁰ = 158435077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158436191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79218050 + 79218051.

It is an arithmetic number, because the mean of its divisors is an integer number (79218051).

Almost surely, 2^158436101 is an apocalyptic number.

It is an amenable number.

158436101 is a deficient number, since it is larger than the sum of its proper divisors (1).

158436101 is an equidigital number, since it uses as much as digits as its factorization.

158436101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 158436101 is about 12587.1403027058. The cubic root of 158436101 is about 541.1089476647.

The spelling of 158436101 in words is "one hundred fifty-eight million, four hundred thirty-six thousand, one hundred one".