145730044 has 6 divisors (see below), whose sum is σ = 255027584. Its totient is φ = 72865020.

The previous prime is 145730029. The next prime is 145730063. The reversal of 145730044 is 440037541.

It is a junction number, because it is equal to n+sod(n) for n = 145729994 and 145730021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18216252 + ... + 18216259.

Almost surely, 2^145730044 is an apocalyptic number.

It is an amenable number.

145730044 is a deficient number, since it is larger than the sum of its proper divisors (109297540).

145730044 is a wasteful number, since it uses less digits than its factorization.

145730044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36432515 (or 36432513 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 145730044 is about 12071.8699462842. The cubic root of 145730044 is about 526.2390013932.

Adding to 145730044 its reverse (440037541), we get a palindrome (585767585).

The spelling of 145730044 in words is "one hundred forty-five million, seven hundred thirty thousand, forty-four".