145686484 has 12 divisors (see below), whose sum is σ = 263175808. Its totient is φ = 70493400.

The previous prime is 145686469. The next prime is 145686487. The reversal of 145686484 is 484686541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145686487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587322 + ... + 587569.

Almost surely, 2^145686484 is an apocalyptic number.

It is an amenable number.

145686484 is a deficient number, since it is larger than the sum of its proper divisors (117489324).

145686484 is a wasteful number, since it uses less digits than its factorization.

145686484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174926 (or 1174924 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The square root of 145686484 is about 12070.0656170544. The cubic root of 145686484 is about 526.1865636697.

The spelling of 145686484 in words is "one hundred forty-five million, six hundred eighty-six thousand, four hundred eighty-four".