145185186832 has 20 divisors (see below), whose sum is σ = 321481485376. Its totient is φ = 62222222880.

The previous prime is 145185186803. The next prime is 145185186857. The reversal of 145185186832 is 238681581541.

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 145185186832.

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, 648148044 + ... + 648148267.

Almost surely, 2^145185186832 is an apocalyptic number.

It is an amenable number.

145185186832 is an abundant number, since it is smaller than the sum of its proper divisors (176296298544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145185186832 is a wasteful number, since it uses less digits than its factorization.

145185186832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296296326 (or 1296296320 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 52.

The spelling of 145185186832 in words is "one hundred forty-five billion, one hundred eighty-five million, one hundred eighty-six thousand, eight hundred thirty-two".