145040244 has 24 divisors (see below), whose sum is σ = 338782080. Its totient is φ = 48296064.

The previous prime is 145040237. The next prime is 145040267. The reversal of 145040244 is 442040541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6652 + ... + 18284.

It is an arithmetic number, because the mean of its divisors is an integer number (14115920).

Almost surely, 2^145040244 is an apocalyptic number.

It is an amenable number.

145040244 is an abundant number, since it is smaller than the sum of its proper divisors (193741836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145040244 is a wasteful number, since it uses less digits than its factorization.

145040244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12679 (or 12677 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 145040244 is about 12043.2655040068. The cubic root of 145040244 is about 525.4073862914.

Adding to 145040244 its reverse (442040541), we get a palindrome (587080785).

The spelling of 145040244 in words is "one hundred forty-five million, forty thousand, two hundred forty-four".