145424044 has 12 divisors (see below), whose sum is σ = 255018064. Its totient is φ = 72561744.

The previous prime is 145424039. The next prime is 145424087. The reversal of 145424044 is 440424541.

145424044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145424044² = 42296305146627872, which contains 22 as substring.

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, 35379 + ... + 39274.

Almost surely, 2^145424044 is an apocalyptic number.

It is an amenable number.

145424044 is a deficient number, since it is larger than the sum of its proper divisors (109594020).

145424044 is a wasteful number, since it uses less digits than its factorization.

145424044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75144 (or 75142 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 145424044 is about 12059.1891933081. The cubic root of 145424044 is about 525.8704158225.

Adding to 145424044 its reverse (440424541), we get a palindrome (585848585).

The spelling of 145424044 in words is "one hundred forty-five million, four hundred twenty-four thousand, forty-four".