545352442 has 4 divisors (see below), whose sum is σ = 818028666. Its totient is φ = 272676220.

The previous prime is 545352433. The next prime is 545352449. The reversal of 545352442 is 244253545.

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

It can be written as a sum of positive squares in only one way, i.e., 338596801 + 206755641 = 18401^2 + 14379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 545352398 and 545352407.

It is not an unprimeable number, because it can be changed into a prime (545352449) by changing a digit.

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 as a sum of consecutive naturals, namely, 136338109 + ... + 136338112.

Almost surely, 2^545352442 is an apocalyptic number.

545352442 is a deficient number, since it is larger than the sum of its proper divisors (272676224).

545352442 is a wasteful number, since it uses less digits than its factorization.

545352442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272676223.

The product of its digits is 96000, while the sum is 34.

The square root of 545352442 is about 23352.7823181736. The cubic root of 545352442 is about 817.0069558607.

The spelling of 545352442 in words is "five hundred forty-five million, three hundred fifty-two thousand, four hundred forty-two".