145024513922 has 6 divisors (see below), whose sum is σ = 217537578729. Its totient is φ = 72511987680.

The previous prime is 145024513897. The next prime is 145024513957. The reversal of 145024513922 is 229315420541.

It can be written as a sum of positive squares in 2 ways, for example, as 102394240081 + 42630273841 = 319991^2 + 206471^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=269281.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 403922 + ... + 673202.

Almost surely, 2^145024513922 is an apocalyptic number.

145024513922 is a deficient number, since it is larger than the sum of its proper divisors (72513064807).

145024513922 is an frugal number, since it uses more digits than its factorization.

145024513922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538564 (or 269283 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 145024513922 in words is "one hundred forty-five billion, twenty-four million, five hundred thirteen thousand, nine hundred twenty-two".