158201814 has 16 divisors (see below), whose sum is σ = 316927152. Its totient is φ = 52646688.

The previous prime is 158201761. The next prime is 158201819. The reversal of 158201814 is 418102851.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158201819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17829 + ... + 25184.

It is an arithmetic number, because the mean of its divisors is an integer number (19807947).

Almost surely, 2^158201814 is an apocalyptic number.

158201814 is an abundant number, since it is smaller than the sum of its proper divisors (158725338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158201814 is a wasteful number, since it uses less digits than its factorization.

158201814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43631.

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 158201814 is about 12577.8302580374. The cubic root of 158201814 is about 540.8420949043.

The spelling of 158201814 in words is "one hundred fifty-eight million, two hundred one thousand, eight hundred fourteen".