158545983 has 8 divisors (see below), whose sum is σ = 212814000. Its totient is φ = 104987648.

The previous prime is 158545963. The next prime is 158545991. The reversal of 158545983 is 389545851.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158545983 - 2⁵ = 158545951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158545903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176898 + ... + 177791.

It is an arithmetic number, because the mean of its divisors is an integer number (26601750).

Almost surely, 2^158545983 is an apocalyptic number.

158545983 is a deficient number, since it is larger than the sum of its proper divisors (54268017).

158545983 is a wasteful number, since it uses less digits than its factorization.

158545983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354841.

The product of its digits is 864000, while the sum is 48.

The square root of 158545983 is about 12591.5043978073. The cubic root of 158545983 is about 541.2340125810.

The spelling of 158545983 in words is "one hundred fifty-eight million, five hundred forty-five thousand, nine hundred eighty-three".