145099922402 has 6 divisors (see below), whose sum is σ = 217650691659. Its totient is φ = 72549691850.

The previous prime is 145099922389. The next prime is 145099922411. The reversal of 145099922402 is 204229990541.

It is a happy number.

145099922402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 72549961201 + 72549961201 = 269351^2 + 269351^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=269351.

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, 404027 + ... + 673377.

Almost surely, 2^145099922402 is an apocalyptic number.

145099922402 is a deficient number, since it is larger than the sum of its proper divisors (72550769257).

145099922402 is an frugal number, since it uses more digits than its factorization.

145099922402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538704 (or 269353 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 145099922402 in words is "one hundred forty-five billion, ninety-nine million, nine hundred twenty-two thousand, four hundred two".