45443430 has 48 divisors (see below), whose sum is σ = 122535504. Its totient is φ = 12117600.

The previous prime is 45443417. The next prime is 45443443. The reversal of 45443430 is 3434454.

It is an interprime number because it is at equal distance from previous prime (45443417) and next prime (45443443).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 45443394 and 45443403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6921 + ... + 11780.

It is an arithmetic number, because the mean of its divisors is an integer number (2552823).

Almost surely, 2^45443430 is an apocalyptic number.

45443430 is an abundant number, since it is smaller than the sum of its proper divisors (77092074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45443430 is a wasteful number, since it uses less digits than its factorization.

45443430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18723 (or 18711 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 45443430 is about 6741.1742300581. The cubic root of 45443430 is about 356.8538346631.

Adding to 45443430 its reverse (3434454), we get a palindrome (48877884).

The spelling of 45443430 in words is "forty-five million, four hundred forty-three thousand, four hundred thirty".