945138344 has 8 divisors (see below), whose sum is σ = 1772134410. Its totient is φ = 472569168.

The previous prime is 945138343. The next prime is 945138349. The reversal of 945138344 is 443831549.

It can be written as a sum of positive squares in only one way, i.e., 897002500 + 48135844 = 29950^2 + 6938^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (945138343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59071139 + ... + 59071154.

Almost surely, 2^945138344 is an apocalyptic number.

It is an amenable number.

945138344 is a deficient number, since it is larger than the sum of its proper divisors (826996066).

945138344 is a wasteful number, since it uses less digits than its factorization.

945138344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118142299 (or 118142295 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 945138344 is about 30743.1023808594. The cubic root of 945138344 is about 981.3677777462.

The spelling of 945138344 in words is "nine hundred forty-five million, one hundred thirty-eight thousand, three hundred forty-four".