152943793 has 4 divisors (see below), whose sum is σ = 153073188. Its totient is φ = 152814400.

The previous prime is 152943757. The next prime is 152943803. The reversal of 152943793 is 397349251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102576384 + 50367409 = 10128^2 + 7097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152943793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152943493) 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, 62908 + ... + 65293.

It is an arithmetic number, because the mean of its divisors is an integer number (38268297).

Almost surely, 2^152943793 is an apocalyptic number.

It is an amenable number.

152943793 is a deficient number, since it is larger than the sum of its proper divisors (129395).

152943793 is a wasteful number, since it uses less digits than its factorization.

152943793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129394.

The product of its digits is 204120, while the sum is 43.

The square root of 152943793 is about 12367.0446348350. The cubic root of 152943793 is about 534.7826210944.

The spelling of 152943793 in words is "one hundred fifty-two million, nine hundred forty-three thousand, seven hundred ninety-three".