152078249 has 8 divisors (see below), whose sum is σ = 154167720. Its totient is φ = 149999616.

The previous prime is 152078197. The next prime is 152078317. The reversal of 152078249 is 942870251.

It can be written as a sum of positive squares in 4 ways, for example, as 25 + 152078224 = 5^2 + 12332^2 .

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

It is not a de Polignac number, because 152078249 - 2⁸ = 152077993 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 (152078149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27857 + ... + 32865.

It is an arithmetic number, because the mean of its divisors is an integer number (19270965).

Almost surely, 2^152078249 is an apocalyptic number.

It is an amenable number.

152078249 is a deficient number, since it is larger than the sum of its proper divisors (2089471).

152078249 is an equidigital number, since it uses as much as digits as its factorization.

152078249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 152078249 is about 12332.0010136231. The cubic root of 152078249 is about 533.7718928764.

The spelling of 152078249 in words is "one hundred fifty-two million, seventy-eight thousand, two hundred forty-nine".