45441021434 has 4 divisors (see below), whose sum is σ = 68161532154. Its totient is φ = 22720510716.

The previous prime is 45441021347. The next prime is 45441021473. The reversal of 45441021434 is 43412014454.

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., 27391905025 + 18049116409 = 165505^2 + 134347^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45441021434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11360255357 + ... + 11360255360.

Almost surely, 2^45441021434 is an apocalyptic number.

45441021434 is a deficient number, since it is larger than the sum of its proper divisors (22720510720).

45441021434 is a wasteful number, since it uses less digits than its factorization.

45441021434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22720510719.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 45441021434 its reverse (43412014454), we get a palindrome (88853035888).

The spelling of 45441021434 in words is "forty-five billion, four hundred forty-one million, twenty-one thousand, four hundred thirty-four".