4457003945 has 8 divisors (see below), whose sum is σ = 5629899840. Its totient is φ = 3377939760.

The previous prime is 4457003927. The next prime is 4457003953. The reversal of 4457003945 is 5493007544.

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

It is not a de Polignac number, because 4457003945 - 2³² = 162036649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23457821 + ... + 23458010.

It is an arithmetic number, because the mean of its divisors is an integer number (703737480).

Almost surely, 2^4457003945 is an apocalyptic number.

It is an amenable number.

4457003945 is a deficient number, since it is larger than the sum of its proper divisors (1172895895).

4457003945 is a wasteful number, since it uses less digits than its factorization.

4457003945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46915855.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 4457003945 is about 66760.7964676875. The cubic root of 4457003945 is about 1645.6886459330.

The spelling of 4457003945 in words is "four billion, four hundred fifty-seven million, three thousand, nine hundred forty-five".