541979145 has 24 divisors (see below), whose sum is σ = 964823496. Its totient is φ = 281242368.

The previous prime is 541979143. The next prime is 541979149.

541979145 is a `hidden beast` number, since 541 + 97 + 9 + 14 + 5 = 666.

541979145 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 138933369 + 403045776 = 11787^2 + 20076^2 .

It is not a de Polignac number, because 541979145 - 2¹ = 541979143 is a prime.

It is a super-2 number, since 2×541979145² = 587482787229862050, which contains 22 as substring.

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 541979145.

It is not an unprimeable number, because it can be changed into a prime (541979143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161092 + ... + 164421.

It is an arithmetic number, because the mean of its divisors is an integer number (40200979).

Almost surely, 2^541979145 is an apocalyptic number.

It is an amenable number.

541979145 is a deficient number, since it is larger than the sum of its proper divisors (422844351).

541979145 is a wasteful number, since it uses less digits than its factorization.

541979145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325561 (or 325558 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 541979145 is about 23280.4455498601. The cubic root of 541979145 is about 815.3189287130.

The spelling of 541979145 in words is "five hundred forty-one million, nine hundred seventy-nine thousand, one hundred forty-five".