945054644 has 6 divisors (see below), whose sum is σ = 1653845634. Its totient is φ = 472527320.

The previous prime is 945054637. The next prime is 945054653. The reversal of 945054644 is 446450549.

It can be written as a sum of positive squares in only one way, i.e., 730080400 + 214974244 = 27020^2 + 14662^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118131827 + ... + 118131834.

It is an arithmetic number, because the mean of its divisors is an integer number (275640939).

Almost surely, 2^945054644 is an apocalyptic number.

It is an amenable number.

945054644 is a deficient number, since it is larger than the sum of its proper divisors (708790990).

945054644 is a wasteful number, since it uses less digits than its factorization.

945054644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236263665 (or 236263663 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 945054644 is about 30741.7410697573. The cubic root of 945054644 is about 981.3388074166.

The spelling of 945054644 in words is "nine hundred forty-five million, fifty-four thousand, six hundred forty-four".