145718616 has 32 divisors (see below), whose sum is σ = 380136960. Its totient is φ = 46460832.

The previous prime is 145718609. The next prime is 145718621. The reversal of 145718616 is 616817541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131440 + ... + 132543.

It is an arithmetic number, because the mean of its divisors is an integer number (11879280).

Almost surely, 2^145718616 is an apocalyptic number.

It is an amenable number.

145718616 is an abundant number, since it is smaller than the sum of its proper divisors (234418344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145718616 is a wasteful number, since it uses less digits than its factorization.

145718616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264015 (or 264011 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 145718616 is about 12071.3966051986. The cubic root of 145718616 is about 526.2252453267.

The spelling of 145718616 in words is "one hundred forty-five million, seven hundred eighteen thousand, six hundred sixteen".