145202542450 has 48 divisors (see below), whose sum is σ = 308689439040. Its totient is φ = 49778838720.

The previous prime is 145202542421. The next prime is 145202542451. The reversal of 145202542450 is 54245202541.

It is not an unprimeable number, because it can be changed into a prime (145202542451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6924081 + ... + 6945019.

It is an arithmetic number, because the mean of its divisors is an integer number (6431029980).

Almost surely, 2^145202542450 is an apocalyptic number.

145202542450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145202542450 is an abundant number, since it is smaller than the sum of its proper divisors (163486896590).

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

145202542450 is a wasteful number, since it uses less digits than its factorization.

145202542450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40771 (or 40766 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 145202542450 its reverse (54245202541), we get a palindrome (199447744991).

The spelling of 145202542450 in words is "one hundred forty-five billion, two hundred two million, five hundred forty-two thousand, four hundred fifty".