158671054 has 4 divisors (see below), whose sum is σ = 238006584. Its totient is φ = 79335526.

The previous prime is 158671039. The next prime is 158671057. The reversal of 158671054 is 450176851.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158671057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39667762 + ... + 39667765.

It is an arithmetic number, because the mean of its divisors is an integer number (59501646).

Almost surely, 2^158671054 is an apocalyptic number.

158671054 is a deficient number, since it is larger than the sum of its proper divisors (79335530).

158671054 is an equidigital number, since it uses as much as digits as its factorization.

158671054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79335529.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 158671054 is about 12596.4699023179. The cubic root of 158671054 is about 541.3762949347.

The spelling of 158671054 in words is "one hundred fifty-eight million, six hundred seventy-one thousand, fifty-four".