145644484 has 12 divisors (see below), whose sum is σ = 255710224. Its totient is φ = 72584424.

The previous prime is 145644461. The next prime is 145644497. The reversal of 145644484 is 484446541.

145644484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 58074 + ... + 60529.

Almost surely, 2^145644484 is an apocalyptic number.

It is an amenable number.

145644484 is a deficient number, since it is larger than the sum of its proper divisors (110065740).

145644484 is a wasteful number, since it uses less digits than its factorization.

145644484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118914 (or 118912 counting only the distinct ones).

The product of its digits is 245760, while the sum is 40.

The square root of 145644484 is about 12068.3256502300. The cubic root of 145644484 is about 526.1359939826.

The spelling of 145644484 in words is "one hundred forty-five million, six hundred forty-four thousand, four hundred eighty-four".