152271389 has 8 divisors (see below), whose sum is σ = 156361920. Its totient is φ = 148231296.

The previous prime is 152271367. The next prime is 152271401. The reversal of 152271389 is 983172251.

152271389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152271389 is a prime.

It is a Duffinian 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 (152271319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6452 + ... + 18605.

It is an arithmetic number, because the mean of its divisors is an integer number (19545240).

Almost surely, 2^152271389 is an apocalyptic number.

It is an amenable number.

152271389 is a deficient number, since it is larger than the sum of its proper divisors (4090531).

152271389 is a wasteful number, since it uses less digits than its factorization.

152271389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25219.

The product of its digits is 30240, while the sum is 38.

The square root of 152271389 is about 12339.8293748333. The cubic root of 152271389 is about 533.9977614498.

The spelling of 152271389 in words is "one hundred fifty-two million, two hundred seventy-one thousand, three hundred eighty-nine".