145089380836 has 27 divisors (see below), whose sum is σ = 255334205539. Its totient is φ = 72139025528.

The previous prime is 145089380797. The next prime is 145089380921. The reversal of 145089380836 is 638083980541.

The square root of 145089380836 is 380906.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 172930905 + ... + 172931743.

Almost surely, 2^145089380836 is an apocalyptic number.

145089380836 is the 380906-th square number.

It is an amenable number.

145089380836 is a deficient number, since it is larger than the sum of its proper divisors (110244824703).

145089380836 is an frugal number, since it uses more digits than its factorization.

145089380836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 145089380836 in words is "one hundred forty-five billion, eighty-nine million, three hundred eighty thousand, eight hundred thirty-six".