158228265 has 64 divisors (see below), whose sum is σ = 293932800. Its totient is φ = 71983104.

The previous prime is 158228251. The next prime is 158228281. The reversal of 158228265 is 562822851.

It is not a de Polignac number, because 158228265 - 2⁹ = 158227753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 195181 + ... + 195989.

It is an arithmetic number, because the mean of its divisors is an integer number (4592700).

Almost surely, 2^158228265 is an apocalyptic number.

158228265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158228265 is a deficient number, since it is larger than the sum of its proper divisors (135704535).

158228265 is a wasteful number, since it uses less digits than its factorization.

158228265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906.

The product of its digits is 76800, while the sum is 39.

The square root of 158228265 is about 12578.8817070517. The cubic root of 158228265 is about 540.8722357660.

The spelling of 158228265 in words is "one hundred fifty-eight million, two hundred twenty-eight thousand, two hundred sixty-five".