158228254 has 4 divisors (see below), whose sum is σ = 237342384. Its totient is φ = 79114126.

The previous prime is 158228251. The next prime is 158228281. The reversal of 158228254 is 452822851.

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 (158228251) 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 as a sum of consecutive naturals, namely, 39557062 + ... + 39557065.

It is an arithmetic number, because the mean of its divisors is an integer number (59335596).

Almost surely, 2^158228254 is an apocalyptic number.

158228254 is a deficient number, since it is larger than the sum of its proper divisors (79114130).

158228254 is an equidigital number, since it uses as much as digits as its factorization.

158228254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79114129.

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

The square root of 158228254 is about 12578.8812698109. The cubic root of 158228254 is about 540.8722232323.

The spelling of 158228254 in words is "one hundred fifty-eight million, two hundred twenty-eight thousand, two hundred fifty-four".