158252849 has 8 divisors (see below), whose sum is σ = 162329640. Its totient is φ = 154224000.

The previous prime is 158252839. The next prime is 158252851. The reversal of 158252849 is 948252851.

It can be written as a sum of positive squares in 4 ways, for example, as 15880225 + 142372624 = 3985^2 + 11932^2 .

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-158252849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (158252839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5252 + ... + 18549.

It is an arithmetic number, because the mean of its divisors is an integer number (20291205).

Almost surely, 2^158252849 is an apocalyptic number.

It is an amenable number.

158252849 is a deficient number, since it is larger than the sum of its proper divisors (4076791).

158252849 is a wasteful number, since it uses less digits than its factorization.

158252849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23971.

The product of its digits is 230400, while the sum is 44.

The square root of 158252849 is about 12579.8588624833. The cubic root of 158252849 is about 540.9002461734.

The spelling of 158252849 in words is "one hundred fifty-eight million, two hundred fifty-two thousand, eight hundred forty-nine".