45450434 has 4 divisors (see below), whose sum is σ = 68175654. Its totient is φ = 22725216.

The previous prime is 45450421. The next prime is 45450439. The reversal of 45450434 is 43405454.

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., 44849809 + 600625 = 6697^2 + 775^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45450397 and 45450406.

It is not an unprimeable number, because it can be changed into a prime (45450439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11362607 + ... + 11362610.

Almost surely, 2^45450434 is an apocalyptic number.

45450434 is a deficient number, since it is larger than the sum of its proper divisors (22725220).

45450434 is a wasteful number, since it uses less digits than its factorization.

45450434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22725219.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 45450434 is about 6741.6937041073. The cubic root of 45450434 is about 356.8721671692.

Adding to 45450434 its reverse (43405454), we get a palindrome (88855888).

The spelling of 45450434 in words is "forty-five million, four hundred fifty thousand, four hundred thirty-four".