1442350645 has 8 divisors (see below), whose sum is σ = 1746138456. Its totient is φ = 1143668736.

The previous prime is 1442350633. The next prime is 1442350697. The reversal of 1442350645 is 5460532441.

It can be written as a sum of positive squares in 4 ways, for example, as 52403121 + 1389947524 = 7239^2 + 37282^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442350645 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442350645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275852 + ... + 1276981.

It is an arithmetic number, because the mean of its divisors is an integer number (218267307).

Almost surely, 2^1442350645 is an apocalyptic number.

It is an amenable number.

1442350645 is a deficient number, since it is larger than the sum of its proper divisors (303787811).

1442350645 is a wasteful number, since it uses less digits than its factorization.

1442350645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552951.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 1442350645 is about 37978.2917598988. The cubic root of 1442350645 is about 1129.8573566257.

The spelling of 1442350645 in words is "one billion, four hundred forty-two million, three hundred fifty thousand, six hundred forty-five".