152890285 has 4 divisors (see below), whose sum is σ = 183468348. Its totient is φ = 122312224.

The previous prime is 152890279. The next prime is 152890313. The reversal of 152890285 is 582098251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 582098251 = 7 ⋅83156893.

It can be written as a sum of positive squares in 2 ways, for example, as 18028516 + 134861769 = 4246^2 + 11613^2 .

It is a cyclic number.

It is not a de Polignac number, because 152890285 - 2³ = 152890277 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15289024 + ... + 15289033.

It is an arithmetic number, because the mean of its divisors is an integer number (45867087).

Almost surely, 2^152890285 is an apocalyptic number.

It is an amenable number.

152890285 is a deficient number, since it is larger than the sum of its proper divisors (30578063).

152890285 is an equidigital number, since it uses as much as digits as its factorization.

152890285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30578062.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 152890285 is about 12364.8811154819. The cubic root of 152890285 is about 534.7202485378.

The spelling of 152890285 in words is "one hundred fifty-two million, eight hundred ninety thousand, two hundred eighty-five".