45723429 has 24 divisors (see below), whose sum is σ = 67358720. Its totient is φ = 29883168.

The previous prime is 45723427. The next prime is 45723439. The reversal of 45723429 is 92432754.

It is not a de Polignac number, because 45723429 - 2¹ = 45723427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45723393 and 45723402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45723427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124404 + ... + 124770.

Almost surely, 2^45723429 is an apocalyptic number.

It is an amenable number.

45723429 is a deficient number, since it is larger than the sum of its proper divisors (21635291).

45723429 is a wasteful number, since it uses less digits than its factorization.

45723429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 606 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 45723429 is about 6761.9101591192. The cubic root of 45723429 is about 357.5852509945.

It can be divided in two parts, 4572 and 3429, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 45723429 in words is "forty-five million, seven hundred twenty-three thousand, four hundred twenty-nine".