4545331442 has 4 divisors (see below), whose sum is σ = 6817997166. Its totient is φ = 2272665720.

The previous prime is 4545331433. The next prime is 4545331457. The reversal of 4545331442 is 2441335454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2441335454 = 2 ⋅1220667727.

It can be written as a sum of positive squares in only one way, i.e., 4320301441 + 225030001 = 65729^2 + 15001^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136332859 + ... + 1136332862.

Almost surely, 2^4545331442 is an apocalyptic number.

4545331442 is a deficient number, since it is larger than the sum of its proper divisors (2272665724).

4545331442 is a wasteful number, since it uses less digits than its factorization.

4545331442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272665723.

The product of its digits is 115200, while the sum is 35.

The square root of 4545331442 is about 67419.0732804894. The cubic root of 4545331442 is about 1656.4888579931.

Adding to 4545331442 its reverse (2441335454), we get a palindrome (6986666896).

The spelling of 4545331442 in words is "four billion, five hundred forty-five million, three hundred thirty-one thousand, four hundred forty-two".