145189502092 has 24 divisors (see below), whose sum is σ = 258615603792. Its totient is φ = 71302728000.

The previous prime is 145189502077. The next prime is 145189502111. The reversal of 145189502092 is 290205981541.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253378 + ... + 595465.

It is an arithmetic number, because the mean of its divisors is an integer number (10775650158).

Almost surely, 2^145189502092 is an apocalyptic number.

It is an amenable number.

145189502092 is a deficient number, since it is larger than the sum of its proper divisors (113426101700).

145189502092 is a wasteful number, since it uses less digits than its factorization.

145189502092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849609 (or 849607 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 145189502092 in words is "one hundred forty-five billion, one hundred eighty-nine million, five hundred two thousand, ninety-two".