945651604 has 24 divisors (see below), whose sum is σ = 1714343400. Its totient is φ = 455884800.

The previous prime is 945651583. The next prime is 945651613. The reversal of 945651604 is 406156549.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 256064004 + 689587600 = 16002^2 + 26260^2 .

It is a super-2 number, since 2×945651604² = 1788513912295545632, which contains 22 as substring.

It is a congruent number.

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, 83904 + ... + 94504.

It is an arithmetic number, because the mean of its divisors is an integer number (71430975).

Almost surely, 2^945651604 is an apocalyptic number.

It is an amenable number.

945651604 is a deficient number, since it is larger than the sum of its proper divisors (768691796).

945651604 is a wasteful number, since it uses less digits than its factorization.

945651604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11403 (or 11401 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 945651604 is about 30751.4488113975. The cubic root of 945651604 is about 981.5453904305.

It can be divided in two parts, 94565 and 1604, that added together give a palindrome (96169).

The spelling of 945651604 in words is "nine hundred forty-five million, six hundred fifty-one thousand, six hundred four".