145031144 has 32 divisors (see below), whose sum is σ = 284586240. Its totient is φ = 69206400.

The previous prime is 145031119. The next prime is 145031147. The reversal of 145031144 is 441130541.

It is not an unprimeable number, because it can be changed into a prime (145031147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14099 + ... + 22109.

It is an arithmetic number, because the mean of its divisors is an integer number (8893320).

Almost surely, 2^145031144 is an apocalyptic number.

It is an amenable number.

145031144 is a deficient number, since it is larger than the sum of its proper divisors (139555096).

145031144 is a wasteful number, since it uses less digits than its factorization.

145031144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8121 (or 8117 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 145031144 is about 12042.8876935725. The cubic root of 145031144 is about 525.3963978304.

Adding to 145031144 its reverse (441130541), we get a palindrome (586161685).

The spelling of 145031144 in words is "one hundred forty-five million, thirty-one thousand, one hundred forty-four".