145031344 has 10 divisors (see below), whose sum is σ = 280998260. Its totient is φ = 72515664.

The previous prime is 145031339. The next prime is 145031347. The reversal of 145031344 is 443130541.

It is not an unprimeable number, because it can be changed into a prime (145031347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4532214 + ... + 4532245.

It is an arithmetic number, because the mean of its divisors is an integer number (28099826).

Almost surely, 2^145031344 is an apocalyptic number.

It is an amenable number.

145031344 is a deficient number, since it is larger than the sum of its proper divisors (135966916).

145031344 is an equidigital number, since it uses as much as digits as its factorization.

145031344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9064467 (or 9064461 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 145031344 is about 12042.8959972259. The cubic root of 145031344 is about 525.3966393400.

Adding to 145031344 its reverse (443130541), we get a palindrome (588161885).

The spelling of 145031344 in words is "one hundred forty-five million, thirty-one thousand, three hundred forty-four".