145038244 has 12 divisors (see below), whose sum is σ = 273341404. Its totient is φ = 66940704.

The previous prime is 145038221. The next prime is 145038247. The reversal of 145038244 is 442830541.

It can be written as a sum of positive squares in 2 ways, for example, as 85932900 + 59105344 = 9270^2 + 7688^2 .

It is not an unprimeable number, because it can be changed into a prime (145038247) 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, 1394547 + ... + 1394650.

Almost surely, 2^145038244 is an apocalyptic number.

It is an amenable number.

145038244 is a deficient number, since it is larger than the sum of its proper divisors (128303160).

145038244 is a wasteful number, since it uses less digits than its factorization.

145038244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789214 (or 2789212 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 145038244 is about 12043.1824697627. The cubic root of 145038244 is about 525.4049712845.

Adding to 145038244 its reverse (442830541), we get a palindrome (587868785).

The spelling of 145038244 in words is "one hundred forty-five million, thirty-eight thousand, two hundred forty-four".