145230430252 has 12 divisors (see below), whose sum is σ = 256669622496. Its totient is φ = 71896252400.

The previous prime is 145230430193. The next prime is 145230430253. The reversal of 145230430252 is 252034032541.

It is not an unprimeable number, because it can be changed into a prime (145230430253) 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, 179740228 + ... + 179741035.

It is an arithmetic number, because the mean of its divisors is an integer number (21389135208).

Almost surely, 2^145230430252 is an apocalyptic number.

It is an amenable number.

145230430252 is a deficient number, since it is larger than the sum of its proper divisors (111439192244).

145230430252 is a wasteful number, since it uses less digits than its factorization.

145230430252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359481368 (or 359481366 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 145230430252 its reverse (252034032541), we get a palindrome (397264462793).

The spelling of 145230430252 in words is "one hundred forty-five billion, two hundred thirty million, four hundred thirty thousand, two hundred fifty-two".