45421839376 has 15 divisors (see below), whose sum is σ = 88006465533. Its totient is φ = 22710493440.

The previous prime is 45421839347. The next prime is 45421839377. The reversal of 45421839376 is 67393812454.

It is a happy number.

The square root of 45421839376 is 213124.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 24547368976 + 20874470400 = 156676^2 + 144480^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45421839377) 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 in 2 ways as a sum of consecutive naturals, for example, 825856 + ... + 879136.

Almost surely, 2^45421839376 is an apocalyptic number.

45421839376 is the 213124-th square number.

It is an amenable number.

45421839376 is a deficient number, since it is larger than the sum of its proper divisors (42584626157).

45421839376 is an frugal number, since it uses more digits than its factorization.

45421839376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106570 (or 53283 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 52.

The spelling of 45421839376 in words is "forty-five billion, four hundred twenty-one million, eight hundred thirty-nine thousand, three hundred seventy-six".