544305145 has 4 divisors (see below), whose sum is σ = 653166180. Its totient is φ = 435444112.

The previous prime is 544305127. The next prime is 544305163. The reversal of 544305145 is 541503445.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (544305127) and next prime (544305163).

It can be written as a sum of positive squares in 2 ways, for example, as 188567824 + 355737321 = 13732^2 + 18861^2 .

It is a cyclic number.

It is not a de Polignac number, because 544305145 - 2²¹ = 542207993 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 54430510 + ... + 54430519.

It is an arithmetic number, because the mean of its divisors is an integer number (163291545).

Almost surely, 2^544305145 is an apocalyptic number.

It is an amenable number.

544305145 is a deficient number, since it is larger than the sum of its proper divisors (108861035).

544305145 is a wasteful number, since it uses less digits than its factorization.

544305145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108861034.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 544305145 is about 23330.3481542818. The cubic root of 544305145 is about 816.4836262463.

The spelling of 544305145 in words is "five hundred forty-four million, three hundred five thousand, one hundred forty-five".