1605145341 has 8 divisors (see below), whose sum is σ = 2147811264. Its totient is φ = 1066288160.

The previous prime is 1605145319. The next prime is 1605145357. The reversal of 1605145341 is 1435415061.

It is a happy number.

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 1605145341 - 2⁵ = 1605145309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1605145299 and 1605145308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1605145361) 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, 951201 + ... + 952886.

It is an arithmetic number, because the mean of its divisors is an integer number (268476408).

Almost surely, 2^1605145341 is an apocalyptic number.

It is an amenable number.

1605145341 is a deficient number, since it is larger than the sum of its proper divisors (542665923).

1605145341 is a wasteful number, since it uses less digits than its factorization.

1605145341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904371.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1605145341 is about 40064.2651374014. The cubic root of 1605145341 is about 1170.8595094187.

The spelling of 1605145341 in words is "one billion, six hundred five million, one hundred forty-five thousand, three hundred forty-one".