616318145 has 8 divisors (see below), whose sum is σ = 742395456. Its totient is φ = 491178736.

The previous prime is 616318141. The next prime is 616318163. The reversal of 616318145 is 541813616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 616318145 - 2² = 616318141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616318141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233027 + ... + 235656.

It is an arithmetic number, because the mean of its divisors is an integer number (92799432).

Almost surely, 2^616318145 is an apocalyptic number.

It is an amenable number.

616318145 is a deficient number, since it is larger than the sum of its proper divisors (126077311).

616318145 is a wasteful number, since it uses less digits than its factorization.

616318145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468951.

The product of its digits is 17280, while the sum is 35.

The square root of 616318145 is about 24825.7556783273. The cubic root of 616318145 is about 851.0106295129.

The spelling of 616318145 in words is "six hundred sixteen million, three hundred eighteen thousand, one hundred forty-five".