45429430 has 16 divisors (see below), whose sum is σ = 81917424. Its totient is φ = 18139680.

The previous prime is 45429413. The next prime is 45429443. The reversal of 45429430 is 3492454.

It is a happy number.

It is a super-2 number, since 2×45429430² = 4127666220249800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45429392 and 45429401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2425 + ... + 9835.

It is an arithmetic number, because the mean of its divisors is an integer number (5119839).

Almost surely, 2^45429430 is an apocalyptic number.

45429430 is a deficient number, since it is larger than the sum of its proper divisors (36487994).

45429430 is a wasteful number, since it uses less digits than its factorization.

45429430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8031.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 45429430 is about 6740.1357553094. The cubic root of 45429430 is about 356.8171849442.

The spelling of 45429430 in words is "forty-five million, four hundred twenty-nine thousand, four hundred thirty".