1424156644 has 9 divisors (see below), whose sum is σ = 2492406217. Its totient is φ = 712040584.

The previous prime is 1424156641. The next prime is 1424156653. The reversal of 1424156644 is 4466514241.

It is a happy number.

The square root of 1424156644 is 37738.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1394126244 + 30030400 = 37338^2 + 5480^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424156641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 66042 + ... + 84910.

Almost surely, 2^1424156644 is an apocalyptic number.

1424156644 is the 37738-th square number.

It is an amenable number.

1424156644 is a deficient number, since it is larger than the sum of its proper divisors (1068249573).

1424156644 is an frugal number, since it uses more digits than its factorization.

1424156644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37742 (or 18871 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The cubic root of 1424156644 is about 1125.0865168690.

The spelling of 1424156644 in words is "one billion, four hundred twenty-four million, one hundred fifty-six thousand, six hundred forty-four".