1442860157149 has 8 divisors (see below), whose sum is σ = 1518817498880. Its totient is φ = 1366904548800.

The previous prime is 1442860157143. The next prime is 1442860157173. The reversal of 1442860157149 is 9417510682441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1442860157149 - 2⁷ = 1442860157021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442860157096 and 1442860157105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442860157143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495429 + ... + 2263189.

It is an arithmetic number, because the mean of its divisors is an integer number (189852187360).

Almost surely, 2^{1442860157149} is an apocalyptic number.

1442860157149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1442860157149 is a deficient number, since it is larger than the sum of its proper divisors (75957341731).

1442860157149 is an equidigital number, since it uses as much as digits as its factorization.

1442860157149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866691.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 1442860157149 in words is "one trillion, four hundred forty-two billion, eight hundred sixty million, one hundred fifty-seven thousand, one hundred forty-nine".