541516145 has 8 divisors (see below), whose sum is σ = 649947240. Its totient is φ = 433127680.

The previous prime is 541516121. The next prime is 541516223. The reversal of 541516145 is 541615145.

It can be written as a sum of positive squares in 4 ways, for example, as 158961664 + 382554481 = 12608^2 + 19559^2 .

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

It is not a de Polignac number, because 541516145 - 2⁸ = 541515889 is a prime.

It is a super-2 number, since 2×541516145² = 586479470591322050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35375 + ... + 48315.

It is an arithmetic number, because the mean of its divisors is an integer number (81243405).

Almost surely, 2^541516145 is an apocalyptic number.

It is an amenable number.

541516145 is a deficient number, since it is larger than the sum of its proper divisors (108431095).

541516145 is a wasteful number, since it uses less digits than its factorization.

541516145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21315.

The product of its digits is 12000, while the sum is 32.

The square root of 541516145 is about 23270.4994574676. The cubic root of 541516145 is about 815.0866933260.

The spelling of 541516145 in words is "five hundred forty-one million, five hundred sixteen thousand, one hundred forty-five".