540100945 has 4 divisors (see below), whose sum is σ = 648121140. Its totient is φ = 432080752.

The previous prime is 540100937. The next prime is 540100963. The reversal of 540100945 is 549001045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 363131136 + 176969809 = 19056^2 + 13303^2 .

It is a cyclic number.

It is not a de Polignac number, because 540100945 - 2³ = 540100937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54010090 + ... + 54010099.

It is an arithmetic number, because the mean of its divisors is an integer number (162030285).

Almost surely, 2^540100945 is an apocalyptic number.

It is an amenable number.

540100945 is a deficient number, since it is larger than the sum of its proper divisors (108020195).

540100945 is a wasteful number, since it uses less digits than its factorization.

540100945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108020194.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 540100945 is about 23240.0719663257. The cubic root of 540100945 is about 814.3760238330.

The spelling of 540100945 in words is "five hundred forty million, one hundred thousand, nine hundred forty-five".