1442942425 has 12 divisors (see below), whose sum is σ = 1789885440. Its totient is φ = 1153943120.

The previous prime is 1442942419. The next prime is 1442942429. The reversal of 1442942425 is 5242492441.

It is not a de Polignac number, because 1442942425 - 2⁵ = 1442942393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1442942429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75384 + ... + 92566.

It is an arithmetic number, because the mean of its divisors is an integer number (149157120).

Almost surely, 2^1442942425 is an apocalyptic number.

It is an amenable number.

1442942425 is a deficient number, since it is larger than the sum of its proper divisors (346943015).

1442942425 is a wasteful number, since it uses less digits than its factorization.

1442942425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20552 (or 20547 counting only the distinct ones).

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

The square root of 1442942425 is about 37986.0819906449. The cubic root of 1442942425 is about 1130.0118580216.

The spelling of 1442942425 in words is "one billion, four hundred forty-two million, nine hundred forty-two thousand, four hundred twenty-five".