545050145 has 16 divisors (see below), whose sum is σ = 684424080. Its totient is φ = 416242944.

The previous prime is 545050139. The next prime is 545050183. The reversal of 545050145 is 541050545.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2719201 + 542330944 = 1649^2 + 23288^2 .

It is a cyclic number.

It is not a de Polignac number, because 545050145 - 2¹² = 545046049 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17990 + ... + 37599.

It is an arithmetic number, because the mean of its divisors is an integer number (42776505).

Almost surely, 2^545050145 is an apocalyptic number.

It is an amenable number.

545050145 is a deficient number, since it is larger than the sum of its proper divisors (139373935).

545050145 is a wasteful number, since it uses less digits than its factorization.

545050145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55684.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 545050145 is about 23346.3090230554. The cubic root of 545050145 is about 816.8559682415.

The spelling of 545050145 in words is "five hundred forty-five million, fifty thousand, one hundred forty-five".