45429791 has 4 divisors (see below), whose sum is σ = 49559784. Its totient is φ = 41299800.

The previous prime is 45429773. The next prime is 45429799. The reversal of 45429791 is 19792454.

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 45429791 - 2¹⁰ = 45428767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45429799) 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, 2064980 + ... + 2065001.

It is an arithmetic number, because the mean of its divisors is an integer number (12389946).

Almost surely, 2^45429791 is an apocalyptic number.

45429791 is a deficient number, since it is larger than the sum of its proper divisors (4129993).

45429791 is a wasteful number, since it uses less digits than its factorization.

45429791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129992.

The product of its digits is 90720, while the sum is 41.

The square root of 45429791 is about 6740.1625351322. The cubic root of 45429791 is about 356.8181300779.

The spelling of 45429791 in words is "forty-five million, four hundred twenty-nine thousand, seven hundred ninety-one".