45078429 has 12 divisors (see below), whose sum is σ = 66065888. Its totient is φ = 27320040.

The previous prime is 45078409. The next prime is 45078443. The reversal of 45078429 is 92487054.

It is not a de Polignac number, because 45078429 - 2⁹ = 45077917 is a prime.

It is a super-2 number, since 2×45078429² = 4064129522216082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45078409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61729 + ... + 62454.

Almost surely, 2^45078429 is an apocalyptic number.

It is an amenable number.

45078429 is a deficient number, since it is larger than the sum of its proper divisors (20987459).

45078429 is a wasteful number, since it uses less digits than its factorization.

45078429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124208 (or 124197 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 45078429 is about 6714.0471401384. The cubic root of 45078429 is about 355.8958502092.

The spelling of 45078429 in words is "forty-five million, seventy-eight thousand, four hundred twenty-nine".