45343939 has 8 divisors (see below), whose sum is σ = 45783920. Its totient is φ = 44906400.

The previous prime is 45343933. The next prime is 45343943. The reversal of 45343939 is 93934354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45343939 - 2¹³ = 45335747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45343933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68269 + ... + 68929.

It is an arithmetic number, because the mean of its divisors is an integer number (5722990).

Almost surely, 2^45343939 is an apocalyptic number.

45343939 is a deficient number, since it is larger than the sum of its proper divisors (439981).

45343939 is a wasteful number, since it uses less digits than its factorization.

45343939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221.

The product of its digits is 174960, while the sum is 40.

The square root of 45343939 is about 6733.7908342924. The cubic root of 45343939 is about 356.5932198994.

The spelling of 45343939 in words is "forty-five million, three hundred forty-three thousand, nine hundred thirty-nine".