145023033522 has 32 divisors (see below), whose sum is σ = 306186552000. Its totient is φ = 45665512128.

The previous prime is 145023033521. The next prime is 145023033523. The reversal of 145023033522 is 225330320541.

It is an interprime number because it is at equal distance from previous prime (145023033521) and next prime (145023033523).

It is a self number, because there is not a number n which added to its sum of digits gives 145023033522.

It is not an unprimeable number, because it can be changed into a prime (145023033521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1782753 + ... + 1862324.

It is an arithmetic number, because the mean of its divisors is an integer number (9568329750).

Almost surely, 2^145023033522 is an apocalyptic number.

145023033522 is an abundant number, since it is smaller than the sum of its proper divisors (161163518478).

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

145023033522 is a wasteful number, since it uses less digits than its factorization.

145023033522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645450.

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 145023033522 in words is "one hundred forty-five billion, twenty-three million, thirty-three thousand, five hundred twenty-two".