145230243 has 16 divisors (see below), whose sum is σ = 205941120. Its totient is φ = 90775296.

The previous prime is 145230233. The next prime is 145230247. The reversal of 145230243 is 342032541.

It is not a de Polignac number, because 145230243 - 2⁴ = 145230227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145230247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7605 + ... + 18662.

It is an arithmetic number, because the mean of its divisors is an integer number (12871320).

Almost surely, 2^145230243 is an apocalyptic number.

145230243 is a deficient number, since it is larger than the sum of its proper divisors (60710877).

145230243 is a wasteful number, since it uses less digits than its factorization.

145230243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26386.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 145230243 is about 12051.1511068445. The cubic root of 145230243 is about 525.6367095852.

Adding to 145230243 its reverse (342032541), we get a palindrome (487262784).

The spelling of 145230243 in words is "one hundred forty-five million, two hundred thirty thousand, two hundred forty-three".