545444414 has 4 divisors (see below), whose sum is σ = 818166624. Its totient is φ = 272722206.

The previous prime is 545444413. The next prime is 545444423. The reversal of 545444414 is 414444545.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545444413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136361102 + ... + 136361105.

It is an arithmetic number, because the mean of its divisors is an integer number (204541656).

Almost surely, 2^545444414 is an apocalyptic number.

545444414 is a deficient number, since it is larger than the sum of its proper divisors (272722210).

545444414 is a wasteful number, since it uses less digits than its factorization.

545444414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272722209.

The product of its digits is 102400, while the sum is 35.

The square root of 545444414 is about 23354.7514223552. The cubic root of 545444414 is about 817.0528818431.

Adding to 545444414 its reverse (414444545), we get a palindrome (959888959).

The spelling of 545444414 in words is "five hundred forty-five million, four hundred forty-four thousand, four hundred fourteen".