145038218 has 16 divisors (see below), whose sum is σ = 235850496. Its totient is φ = 66495600.

The previous prime is 145038217. The next prime is 145038221. The reversal of 145038218 is 812830541.

It is not an unprimeable number, because it can be changed into a prime (145038211) 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, 14546 + ... + 22397.

It is an arithmetic number, because the mean of its divisors is an integer number (14740656).

Almost surely, 2^145038218 is an apocalyptic number.

145038218 is a deficient number, since it is larger than the sum of its proper divisors (90812278).

145038218 is a wasteful number, since it uses less digits than its factorization.

145038218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37109.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 145038218 is about 12043.1813903138. The cubic root of 145038218 is about 525.4049398892.

Adding to 145038218 its reverse (812830541), we get a palindrome (957868759).

The spelling of 145038218 in words is "one hundred forty-five million, thirty-eight thousand, two hundred eighteen".