45985939 has 2 divisors, whose sum is σ = 45985940. Its totient is φ = 45985938.

The previous prime is 45985937. The next prime is 45985991. The reversal of 45985939 is 93958954.

It is an a-pointer prime, because the next prime (45985991) can be obtained adding 45985939 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45985939 - 2¹ = 45985937 is a prime.

It is a super-2 number, since 2×45985939² = 4229413171423442, which contains 22 as substring.

Together with 45985937, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45985937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22992969 + 22992970.

It is an arithmetic number, because the mean of its divisors is an integer number (22992970).

Almost surely, 2^45985939 is an apocalyptic number.

45985939 is a deficient number, since it is larger than the sum of its proper divisors (1).

45985939 is an equidigital number, since it uses as much as digits as its factorization.

45985939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1749600, while the sum is 52.

The square root of 45985939 is about 6781.2933132257. The cubic root of 45985939 is about 358.2682752390.

The spelling of 45985939 in words is "forty-five million, nine hundred eighty-five thousand, nine hundred thirty-nine".