45343547 has 4 divisors (see below), whose sum is σ = 45390936. Its totient is φ = 45296160.

The previous prime is 45343517. The next prime is 45343549. The reversal of 45343547 is 74534354.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45343547 - 2¹⁰ = 45342523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45343549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22229 + ... + 24182.

It is an arithmetic number, because the mean of its divisors is an integer number (11347734).

Almost surely, 2^45343547 is an apocalyptic number.

45343547 is a deficient number, since it is larger than the sum of its proper divisors (47389).

45343547 is an equidigital number, since it uses as much as digits as its factorization.

45343547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47388.

The product of its digits is 100800, while the sum is 35.

The square root of 45343547 is about 6733.7617272963. The cubic root of 45343547 is about 356.5921923094.

The spelling of 45343547 in words is "forty-five million, three hundred forty-three thousand, five hundred forty-seven".