145603030252 has 48 divisors (see below), whose sum is σ = 260616778240. Its totient is φ = 71159280192.

The previous prime is 145603030247. The next prime is 145603030273. The reversal of 145603030252 is 252030306541.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37151149 + ... + 37155067.

Almost surely, 2^145603030252 is an apocalyptic number.

It is an amenable number.

145603030252 is a deficient number, since it is larger than the sum of its proper divisors (115013747988).

145603030252 is a wasteful number, since it uses less digits than its factorization.

145603030252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030 (or 5028 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 145603030252 its reverse (252030306541), we get a palindrome (397633336793).

The spelling of 145603030252 in words is "one hundred forty-five billion, six hundred three million, thirty thousand, two hundred fifty-two".