544135445 has 12 divisors (see below), whose sum is σ = 759569004. Its totient is φ = 373121280.

The previous prime is 544135441. The next prime is 544135447. The reversal of 544135445 is 544531445.

It can be written as a sum of positive squares in 2 ways, for example, as 128913316 + 415222129 = 11354^2 + 20377^2 .

It is not a de Polignac number, because 544135445 - 2² = 544135441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544135441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1110236 + ... + 1110725.

It is an arithmetic number, because the mean of its divisors is an integer number (63297417).

Almost surely, 2^544135445 is an apocalyptic number.

It is an amenable number.

544135445 is a deficient number, since it is larger than the sum of its proper divisors (215433559).

544135445 is a wasteful number, since it uses less digits than its factorization.

544135445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220980 (or 2220973 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

The square root of 544135445 is about 23326.7109769037. The cubic root of 544135445 is about 816.3987647339.

The spelling of 544135445 in words is "five hundred forty-four million, one hundred thirty-five thousand, four hundred forty-five".