1442607671 has 4 divisors (see below), whose sum is σ = 1453137792. Its totient is φ = 1432077552.

The previous prime is 1442607631. The next prime is 1442607773. The reversal of 1442607671 is 1767062441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442607671 is a prime.

It is a super-2 number, since 2×1442607671² = 4162233784856088482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442607601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5264855 + ... + 5265128.

It is an arithmetic number, because the mean of its divisors is an integer number (363284448).

Almost surely, 2^1442607671 is an apocalyptic number.

1442607671 is a deficient number, since it is larger than the sum of its proper divisors (10530121).

1442607671 is a wasteful number, since it uses less digits than its factorization.

1442607671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10530120.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 1442607671 is about 37981.6754633073. The cubic root of 1442607671 is about 1129.9244659355.

The spelling of 1442607671 in words is "one billion, four hundred forty-two million, six hundred seven thousand, six hundred seventy-one".