44477945 has 8 divisors (see below), whose sum is σ = 53694144. Its totient is φ = 35368624.

The previous prime is 44477941. The next prime is 44477977. The reversal of 44477945 is 54977444.

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

It is a cyclic number.

It is not a de Polignac number, because 44477945 - 2² = 44477941 is a prime.

It is a super-3 number, since 3×44477945³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44477896 and 44477905.

It is not an unprimeable number, because it can be changed into a prime (44477941) 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, 25799 + ... + 27468.

It is an arithmetic number, because the mean of its divisors is an integer number (6711768).

Almost surely, 2^44477945 is an apocalyptic number.

It is an amenable number.

44477945 is a deficient number, since it is larger than the sum of its proper divisors (9216199).

44477945 is a wasteful number, since it uses less digits than its factorization.

44477945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53439.

The product of its digits is 564480, while the sum is 44.

The square root of 44477945 is about 6669.1787350468. The cubic root of 44477945 is about 354.3084998399.

The spelling of 44477945 in words is "forty-four million, four hundred seventy-seven thousand, nine hundred forty-five".