158208454 has 4 divisors (see below), whose sum is σ = 237312684. Its totient is φ = 79104226.

The previous prime is 158208397. The next prime is 158208473. The reversal of 158208454 is 454802851.

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

It is a congruent number.

It is an unprimeable number.

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, 39552112 + ... + 39552115.

It is an arithmetic number, because the mean of its divisors is an integer number (59328171).

Almost surely, 2^158208454 is an apocalyptic number.

158208454 is a deficient number, since it is larger than the sum of its proper divisors (79104230).

158208454 is an equidigital number, since it uses as much as digits as its factorization.

158208454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79104229.

The product of its (nonzero) digits is 51200, while the sum is 37.

The square root of 158208454 is about 12578.0942117636. The cubic root of 158208454 is about 540.8496614868.

The spelling of 158208454 in words is "one hundred fifty-eight million, two hundred eight thousand, four hundred fifty-four".