145089548 has 24 divisors (see below), whose sum is σ = 275896320. Its totient is φ = 66508560.

The previous prime is 145089541. The next prime is 145089551. The reversal of 145089548 is 845980541.

It is a junction number, because it is equal to n+sod(n) for n = 145089499 and 145089508.

It is not an unprimeable number, because it can be changed into a prime (145089541) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28436 + ... + 33147.

It is an arithmetic number, because the mean of its divisors is an integer number (11495680).

Almost surely, 2^145089548 is an apocalyptic number.

It is an amenable number.

145089548 is a deficient number, since it is larger than the sum of its proper divisors (130806772).

145089548 is a wasteful number, since it uses less digits than its factorization.

145089548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61637 (or 61635 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 145089548 is about 12045.3122832079. The cubic root of 145089548 is about 525.4669140251.

The spelling of 145089548 in words is "one hundred forty-five million, eighty-nine thousand, five hundred forty-eight".