145109678 has 24 divisors (see below), whose sum is σ = 261937800. Its totient is φ = 60044208.

The previous prime is 145109659. The next prime is 145109681. The reversal of 145109678 is 876901541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22688 + ... + 28371.

It is an arithmetic number, because the mean of its divisors is an integer number (10914075).

Almost surely, 2^145109678 is an apocalyptic number.

145109678 is a deficient number, since it is larger than the sum of its proper divisors (116828122).

145109678 is a wasteful number, since it uses less digits than its factorization.

145109678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51104 (or 51097 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 145109678 is about 12046.1478490014. The cubic root of 145109678 is about 525.4912143278.

The spelling of 145109678 in words is "one hundred forty-five million, one hundred nine thousand, six hundred seventy-eight".