145038522 has 48 divisors (see below), whose sum is σ = 306807552. Its totient is φ = 45661440.

The previous prime is 145038521. The next prime is 145038589. The reversal of 145038522 is 225830541.

It is a self number, because there is not a number n which added to its sum of digits gives 145038522.

It is not an unprimeable number, because it can be changed into a prime (145038521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 410698 + ... + 411050.

It is an arithmetic number, because the mean of its divisors is an integer number (6391824).

Almost surely, 2^145038522 is an apocalyptic number.

145038522 is an abundant number, since it is smaller than the sum of its proper divisors (161769030).

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

145038522 is a wasteful number, since it uses less digits than its factorization.

145038522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 145038522 is about 12043.1940115569. The cubic root of 145038522 is about 525.4053069718.

The spelling of 145038522 in words is "one hundred forty-five million, thirty-eight thousand, five hundred twenty-two".