158962541 has 2 divisors, whose sum is σ = 158962542. Its totient is φ = 158962540.

The previous prime is 158962519. The next prime is 158962577. The reversal of 158962541 is 145269851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85174441 + 73788100 = 9229^2 + 8590^2 .

It is an emirp because it is prime and its reverse (145269851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158962541 - 2²⁶ = 91853677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158962501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79481270 + 79481271.

It is an arithmetic number, because the mean of its divisors is an integer number (79481271).

Almost surely, 2^158962541 is an apocalyptic number.

It is an amenable number.

158962541 is a deficient number, since it is larger than the sum of its proper divisors (1).

158962541 is an equidigital number, since it uses as much as digits as its factorization.

158962541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 41.

The square root of 158962541 is about 12608.0347794571. The cubic root of 158962541 is about 541.7076043011.

The spelling of 158962541 in words is "one hundred fifty-eight million, nine hundred sixty-two thousand, five hundred forty-one".