152853991 has 4 divisors (see below), whose sum is σ = 153953800. Its totient is φ = 151754184.

The previous prime is 152853971. The next prime is 152853997. The reversal of 152853991 is 199358251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 199358251 = 103 ⋅1935517.

It is a cyclic number.

It is not a de Polignac number, because 152853991 - 2⁵ = 152853959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152853997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549696 + ... + 549973.

It is an arithmetic number, because the mean of its divisors is an integer number (38488450).

Almost surely, 2^152853991 is an apocalyptic number.

152853991 is a deficient number, since it is larger than the sum of its proper divisors (1099809).

152853991 is a wasteful number, since it uses less digits than its factorization.

152853991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099808.

The product of its digits is 97200, while the sum is 43.

The square root of 152853991 is about 12363.4134040725. The cubic root of 152853991 is about 534.6779335044.

The spelling of 152853991 in words is "one hundred fifty-two million, eight hundred fifty-three thousand, nine hundred ninety-one".