501540045 has 8 divisors (see below), whose sum is σ = 802464096. Its totient is φ = 267488016.

The previous prime is 501540023. The next prime is 501540073. The reversal of 501540045 is 540045105.

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

It is not a de Polignac number, because 501540045 - 2⁶ = 501539981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 501539997 and 501540024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16717987 + ... + 16718016.

It is an arithmetic number, because the mean of its divisors is an integer number (100308012).

Almost surely, 2^501540045 is an apocalyptic number.

It is an amenable number.

501540045 is a deficient number, since it is larger than the sum of its proper divisors (300924051).

501540045 is a wasteful number, since it uses less digits than its factorization.

501540045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33436011.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 501540045 is about 22395.0897519970. The cubic root of 501540045 is about 794.5145804526.

The spelling of 501540045 in words is "five hundred one million, five hundred forty thousand, forty-five".