158769461 has 4 divisors (see below), whose sum is σ = 164244300. Its totient is φ = 153294624.

The previous prime is 158769451. The next prime is 158769463. The reversal of 158769461 is 164967851.

158769461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164967851 = 61 ⋅2704391.

It can be written as a sum of positive squares in 2 ways, for example, as 124768900 + 34000561 = 11170^2 + 5831^2 .

It is a cyclic number.

It is not a de Polignac number, because 158769461 - 2¹⁸ = 158507317 is a prime.

It is a super-4 number, since 4×158769461⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158769463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2737376 + ... + 2737433.

It is an arithmetic number, because the mean of its divisors is an integer number (41061075).

Almost surely, 2^158769461 is an apocalyptic number.

It is an amenable number.

158769461 is a deficient number, since it is larger than the sum of its proper divisors (5474839).

158769461 is an equidigital number, since it uses as much as digits as its factorization.

158769461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474838.

The product of its digits is 362880, while the sum is 47.

The square root of 158769461 is about 12600.3754309147. The cubic root of 158769461 is about 541.4881914355.

The spelling of 158769461 in words is "one hundred fifty-eight million, seven hundred sixty-nine thousand, four hundred sixty-one".