72150158 has 8 divisors (see below), whose sum is σ = 109297080. Its totient is φ = 35717800.

The previous prime is 72150137. The next prime is 72150167. The reversal of 72150158 is 85105127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 72150158.

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 in 3 ways as a sum of consecutive naturals, for example, 178388 + ... + 178791.

It is an arithmetic number, because the mean of its divisors is an integer number (13662135).

Almost surely, 2^72150158 is an apocalyptic number.

72150158 is a deficient number, since it is larger than the sum of its proper divisors (37146922).

72150158 is a wasteful number, since it uses less digits than its factorization.

72150158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357282.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 72150158 is about 8494.1249107839. The cubic root of 72150158 is about 416.3057686343.

The spelling of 72150158 in words is "seventy-two million, one hundred fifty thousand, one hundred fifty-eight".