145522021240002 has 48 divisors (see below), whose sum is σ = 321424066053216. Its totient is φ = 43888588867200.

The previous prime is 145522021239943. The next prime is 145522021240069. The reversal of 145522021240002 is 200042120225541.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474831543 + ... + 475137914.

It is an arithmetic number, because the mean of its divisors is an integer number (6696334709442).

Almost surely, 2^{145522021240002} is an apocalyptic number.

145522021240002 is an abundant number, since it is smaller than the sum of its proper divisors (175902044813214).

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

145522021240002 is a wasteful number, since it uses less digits than its factorization.

145522021240002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949969695 (or 949969684 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 145522021240002 its reverse (200042120225541), we get a palindrome (345564141465543).

The spelling of 145522021240002 in words is "one hundred forty-five trillion, five hundred twenty-two billion, twenty-one million, two hundred forty thousand, two".