43454426 has 4 divisors (see below), whose sum is σ = 65181642. Its totient is φ = 21727212.

The previous prime is 43454423. The next prime is 43454443. The reversal of 43454426 is 62445434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62445434 = 2 ⋅31222717.

It can be written as a sum of positive squares in only one way, i.e., 29757025 + 13697401 = 5455^2 + 3701^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43454392 and 43454401.

It is not an unprimeable number, because it can be changed into a prime (43454423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10863605 + ... + 10863608.

Almost surely, 2^43454426 is an apocalyptic number.

43454426 is a deficient number, since it is larger than the sum of its proper divisors (21727216).

43454426 is a wasteful number, since it uses less digits than its factorization.

43454426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21727215.

The product of its digits is 46080, while the sum is 32.

The square root of 43454426 is about 6591.9971177178. The cubic root of 43454426 is about 351.5696197050.

The spelling of 43454426 in words is "forty-three million, four hundred fifty-four thousand, four hundred twenty-six".