45456949 has 8 divisors (see below), whose sum is σ = 49500000. Its totient is φ = 41578992.

The previous prime is 45456941. The next prime is 45456967. The reversal of 45456949 is 94965454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45456949 - 2³ = 45456941 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45456899 and 45456908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45456941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40699 + ... + 41800.

It is an arithmetic number, because the mean of its divisors is an integer number (6187500).

Almost surely, 2^45456949 is an apocalyptic number.

It is an amenable number.

45456949 is a deficient number, since it is larger than the sum of its proper divisors (4043051).

45456949 is a wasteful number, since it uses less digits than its factorization.

45456949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82547.

The product of its digits is 777600, while the sum is 46.

The square root of 45456949 is about 6742.1768739777. The cubic root of 45456949 is about 356.8892180594.

The spelling of 45456949 in words is "forty-five million, four hundred fifty-six thousand, nine hundred forty-nine".