145002242 has 16 divisors (see below), whose sum is σ = 271173312. Its totient is φ = 56494320.

The previous prime is 145002241. The next prime is 145002289. The reversal of 145002242 is 242200541.

It is a happy number.

145002242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145002241) 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, 470633 + ... + 470940.

It is an arithmetic number, because the mean of its divisors is an integer number (16948332).

Almost surely, 2^145002242 is an apocalyptic number.

145002242 is a deficient number, since it is larger than the sum of its proper divisors (126171070).

145002242 is a wasteful number, since it uses less digits than its factorization.

145002242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941593.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 145002242 is about 12041.6876724154. The cubic root of 145002242 is about 525.3614949466.

Adding to 145002242 its reverse (242200541), we get a palindrome (387202783).

The spelling of 145002242 in words is "one hundred forty-five million, two thousand, two hundred forty-two".