145644482 has 4 divisors (see below), whose sum is σ = 218466726. Its totient is φ = 72822240.

The previous prime is 145644461. The next prime is 145644497. The reversal of 145644482 is 284446541.

145644482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 284446541 = 1567 ⋅181523.

It can be written as a sum of positive squares in only one way, i.e., 77598481 + 68046001 = 8809^2 + 8249^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36411119 + ... + 36411122.

Almost surely, 2^145644482 is an apocalyptic number.

145644482 is a deficient number, since it is larger than the sum of its proper divisors (72822244).

145644482 is an equidigital number, since it uses as much as digits as its factorization.

145644482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72822243.

The product of its digits is 122880, while the sum is 38.

The square root of 145644482 is about 12068.3255673685. The cubic root of 145644482 is about 526.1359915743.

The spelling of 145644482 in words is "one hundred forty-five million, six hundred forty-four thousand, four hundred eighty-two".