158837461 has 4 divisors (see below), whose sum is σ = 158863392. Its totient is φ = 158811532.

The previous prime is 158837431. The next prime is 158837467. The reversal of 158837461 is 164738851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 164738851 = 6173 ⋅26687.

It is a cyclic number.

It is not a de Polignac number, because 158837461 - 2¹⁵ = 158804693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158837467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1920 + ... + 17926.

It is an arithmetic number, because the mean of its divisors is an integer number (39715848).

Almost surely, 2^158837461 is an apocalyptic number.

It is an amenable number.

158837461 is a deficient number, since it is larger than the sum of its proper divisors (25931).

158837461 is an equidigital number, since it uses as much as digits as its factorization.

158837461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25930.

The product of its digits is 161280, while the sum is 43.

The square root of 158837461 is about 12603.0734743554. The cubic root of 158837461 is about 541.5654857743.

The spelling of 158837461 in words is "one hundred fifty-eight million, eight hundred thirty-seven thousand, four hundred sixty-one".