145018616 has 8 divisors (see below), whose sum is σ = 271909920. Its totient is φ = 72509304.

The previous prime is 145018613. The next prime is 145018631. The reversal of 145018616 is 616810541.

145018616 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145018613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9063656 + ... + 9063671.

It is an arithmetic number, because the mean of its divisors is an integer number (33988740).

Almost surely, 2^145018616 is an apocalyptic number.

It is an amenable number.

145018616 is a deficient number, since it is larger than the sum of its proper divisors (126891304).

145018616 is a wasteful number, since it uses less digits than its factorization.

145018616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18127333 (or 18127329 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 145018616 is about 12042.3675413101. The cubic root of 145018616 is about 525.3812692278.

The spelling of 145018616 in words is "one hundred forty-five million, eighteen thousand, six hundred sixteen".