45347889 has 16 divisors (see below), whose sum is σ = 64284480. Its totient is φ = 28353600.

The previous prime is 45347873. The next prime is 45347893. The reversal of 45347889 is 98874354.

It is not a de Polignac number, because 45347889 - 2⁴ = 45347873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45347839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1819 + ... + 9695.

It is an arithmetic number, because the mean of its divisors is an integer number (4017780).

Almost surely, 2^45347889 is an apocalyptic number.

It is an amenable number.

45347889 is a deficient number, since it is larger than the sum of its proper divisors (18936591).

45347889 is a wasteful number, since it uses less digits than its factorization.

45347889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8000.

The product of its digits is 967680, while the sum is 48.

The square root of 45347889 is about 6734.0841248087. The cubic root of 45347889 is about 356.6035741118.

The spelling of 45347889 in words is "forty-five million, three hundred forty-seven thousand, eight hundred eighty-nine".