145252231112202 has 16 divisors (see below), whose sum is σ = 290504597522880. Its totient is φ = 48417387820992.

The previous prime is 145252231112171. The next prime is 145252231112207. The reversal of 145252231112202 is 202211132252541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145252231112207) 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, 13119699 + ... + 21508857.

It is an arithmetic number, because the mean of its divisors is an integer number (18156537345180).

Almost surely, 2^{145252231112202} is an apocalyptic number.

145252231112202 is an abundant number, since it is smaller than the sum of its proper divisors (145252366410678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145252231112202 is a wasteful number, since it uses less digits than its factorization.

145252231112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11274877.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 145252231112202 its reverse (202211132252541), we get a palindrome (347463363364743).

The spelling of 145252231112202 in words is "one hundred forty-five trillion, two hundred fifty-two billion, two hundred thirty-one million, one hundred twelve thousand, two hundred two".