185000002 has 16 divisors (see below), whose sum is σ = 312493824. Its totient is φ = 81378000.

The previous prime is 184999999. The next prime is 185000009. The reversal of 185000002 is 200000581.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 185000002.

It is not an unprimeable number, because it can be changed into a prime (185000009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134949 + ... + 136312.

It is an arithmetic number, because the mean of its divisors is an integer number (19530864).

Almost surely, 2^185000002 is an apocalyptic number.

185000002 is a deficient number, since it is larger than the sum of its proper divisors (127493822).

185000002 is a wasteful number, since it uses less digits than its factorization.

185000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271305.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 185000002 is about 13601.4705822569. The cubic root of 185000002 is about 569.8019235838.

Adding to 185000002 its reverse (200000581), we get a palindrome (385000583).

The spelling of 185000002 in words is "one hundred eighty-five million, two", and thus it is an aban number.