605601945 has 48 divisors (see below), whose sum is σ = 1147403712. Its totient is φ = 293673600.

The previous prime is 605601923. The next prime is 605601949. The reversal of 605601945 is 549106506.

605601945 is a `hidden beast` number, since 6 + 0 + 5 + 601 + 9 + 45 = 666.

It is not a de Polignac number, because 605601945 - 2⁶ = 605601881 is a prime.

It is a super-6 number, since 6×605601945⁶ (a number of 54 digits) contains 666666 as substring.

It is not an unprimeable number, because it can be changed into a prime (605601949) 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, 31470 + ... + 46920.

It is an arithmetic number, because the mean of its divisors is an integer number (23904244).

Almost surely, 2^605601945 is an apocalyptic number.

605601945 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

605601945 is a deficient number, since it is larger than the sum of its proper divisors (541801767).

605601945 is a wasteful number, since it uses less digits than its factorization.

605601945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15542 (or 15539 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 605601945 is about 24608.9809825600. The cubic root of 605601945 is about 846.0494622591.

The spelling of 605601945 in words is "six hundred five million, six hundred one thousand, nine hundred forty-five".