1442813956 has 6 divisors (see below), whose sum is σ = 2524924430. Its totient is φ = 721406976.

The previous prime is 1442813951. The next prime is 1442813969. The reversal of 1442813956 is 6593182441.

It can be written as a sum of positive squares in only one way, i.e., 1440202500 + 2611456 = 37950^2 + 1616^2 .

It is a super-2 number, since 2×1442813956² = 4163424223256739872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1442813951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180351741 + ... + 180351748.

Almost surely, 2^1442813956 is an apocalyptic number.

It is an amenable number.

1442813956 is a deficient number, since it is larger than the sum of its proper divisors (1082110474).

1442813956 is a wasteful number, since it uses less digits than its factorization.

1442813956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360703493 (or 360703491 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 1442813956 is about 37984.3909520740. The cubic root of 1442813956 is about 1129.9783210397.

The spelling of 1442813956 in words is "one billion, four hundred forty-two million, eight hundred thirteen thousand, nine hundred fifty-six".