501141545 has 4 divisors (see below), whose sum is σ = 601369860. Its totient is φ = 400913232.

The previous prime is 501141541. The next prime is 501141551. The reversal of 501141545 is 545141105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545141105 = 5 ⋅109028221.

It can be written as a sum of positive squares in 2 ways, for example, as 342583081 + 158558464 = 18509^2 + 12592^2 .

It is a cyclic number.

It is not a de Polignac number, because 501141545 - 2² = 501141541 is a prime.

It is a super-2 number, since 2×501141545² = 502285696249974050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (501141541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50114150 + ... + 50114159.

It is an arithmetic number, because the mean of its divisors is an integer number (150342465).

Almost surely, 2^501141545 is an apocalyptic number.

It is an amenable number.

501141545 is a deficient number, since it is larger than the sum of its proper divisors (100228315).

501141545 is a wasteful number, since it uses less digits than its factorization.

501141545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100228314.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 501141545 is about 22386.1909444193. The cubic root of 501141545 is about 794.3040967927.

The spelling of 501141545 in words is "five hundred one million, one hundred forty-one thousand, five hundred forty-five".