185485450 has 24 divisors (see below), whose sum is σ = 356902380. Its totient is φ = 71635200.

The previous prime is 185485427. The next prime is 185485451. The reversal of 185485450 is 54584581.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 83010321 + 102475129 = 9111^2 + 10123^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (185485451) 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 11 ways as a sum of consecutive naturals, for example, 62511 + ... + 65410.

Almost surely, 2^185485450 is an apocalyptic number.

185485450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

185485450 is a deficient number, since it is larger than the sum of its proper divisors (171416930).

185485450 is a wasteful number, since it uses less digits than its factorization.

185485450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127962 (or 127957 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 40.

The square root of 185485450 is about 13619.3043140977. The cubic root of 185485450 is about 570.2998832387.

The spelling of 185485450 in words is "one hundred eighty-five million, four hundred eighty-five thousand, four hundred fifty".