45013949 has 2 divisors, whose sum is σ = 45013950. Its totient is φ = 45013948.

The previous prime is 45013919. The next prime is 45013951. The reversal of 45013949 is 94931054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24700900 + 20313049 = 4970^2 + 4507^2 .

It is a cyclic number.

It is not a de Polignac number, because 45013949 - 2⁸ = 45013693 is a prime.

Together with 45013951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45013919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22506974 + 22506975.

It is an arithmetic number, because the mean of its divisors is an integer number (22506975).

Almost surely, 2^45013949 is an apocalyptic number.

It is an amenable number.

45013949 is a deficient number, since it is larger than the sum of its proper divisors (1).

45013949 is an equidigital number, since it uses as much as digits as its factorization.

45013949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 45013949 is about 6709.2435490150. The cubic root of 45013949 is about 355.7260785816.

The spelling of 45013949 in words is "forty-five million, thirteen thousand, nine hundred forty-nine".