945651644 has 12 divisors (see below), whose sum is σ = 1891303344. Its totient is φ = 405279264.

The previous prime is 945651643. The next prime is 945651659. The reversal of 945651644 is 446156549.

945651644 is an admirable number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 945651595 and 945651604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945651643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16886609 + ... + 16886664.

It is an arithmetic number, because the mean of its divisors is an integer number (157608612).

Almost surely, 2^945651644 is an apocalyptic number.

It is an amenable number.

945651644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

945651644 is a wasteful number, since it uses less digits than its factorization.

945651644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33773284 (or 33773282 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The square root of 945651644 is about 30751.4494617733. The cubic root of 945651644 is about 981.5454042699.

The spelling of 945651644 in words is "nine hundred forty-five million, six hundred fifty-one thousand, six hundred forty-four".