158611443 has 16 divisors (see below), whose sum is σ = 214265856. Its totient is φ = 104358240.

The previous prime is 158611441. The next prime is 158611463. The reversal of 158611443 is 344116851.

It is not a de Polignac number, because 158611443 - 2¹ = 158611441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158611441) 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 15 ways as a sum of consecutive naturals, for example, 79405 + ... + 81377.

It is an arithmetic number, because the mean of its divisors is an integer number (13391616).

Almost surely, 2^158611443 is an apocalyptic number.

158611443 is a deficient number, since it is larger than the sum of its proper divisors (55654413).

158611443 is a wasteful number, since it uses less digits than its factorization.

158611443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314.

The product of its digits is 11520, while the sum is 33.

The square root of 158611443 is about 12594.1035012422. The cubic root of 158611443 is about 541.3084900353.

The spelling of 158611443 in words is "one hundred fifty-eight million, six hundred eleven thousand, four hundred forty-three".