185150453 has 2 divisors, whose sum is σ = 185150454. Its totient is φ = 185150452.

The previous prime is 185150447. The next prime is 185150461. The reversal of 185150453 is 354051581.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185150449 + 4 = 13607^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 185150453 - 2¹⁴ = 185134069 is a prime.

It is a super-2 number, since 2×185150453² = 68561380492210418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (185150443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92575226 + 92575227.

It is an arithmetic number, because the mean of its divisors is an integer number (92575227).

Almost surely, 2^185150453 is an apocalyptic number.

It is an amenable number.

185150453 is a deficient number, since it is larger than the sum of its proper divisors (1).

185150453 is an equidigital number, since it uses as much as digits as its factorization.

185150453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 185150453 is about 13607.0001469832. Note that the first 3 decimals coincide. The cubic root of 185150453 is about 569.9563452768.

The spelling of 185150453 in words is "one hundred eighty-five million, one hundred fifty thousand, four hundred fifty-three".