614457945 has 48 divisors (see below), whose sum is σ = 1166639760. Its totient is φ = 297787392.

The previous prime is 614457889. The next prime is 614457947. The reversal of 614457945 is 549754416.

It can be written as a sum of positive squares in 8 ways, for example, as 37161216 + 577296729 = 6096^2 + 24027^2 .

It is not a de Polignac number, because 614457945 - 2⁹ = 614457433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 614457945.

It is not an unprimeable number, because it can be changed into a prime (614457947) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8337 + ... + 36033.

It is an arithmetic number, because the mean of its divisors is an integer number (24304995).

Almost surely, 2^614457945 is an apocalyptic number.

It is an amenable number.

614457945 is a deficient number, since it is larger than the sum of its proper divisors (552181815).

614457945 is a wasteful number, since it uses less digits than its factorization.

614457945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27754 (or 27751 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 614457945 is about 24788.2622424405. The cubic root of 614457945 is about 850.1535800922.

The spelling of 614457945 in words is "six hundred fourteen million, four hundred fifty-seven thousand, nine hundred forty-five".