1442075145 has 48 divisors (see below), whose sum is σ = 2734741440. Its totient is φ = 646778496.

The previous prime is 1442075119. The next prime is 1442075153. The reversal of 1442075145 is 5415702441.

It is not a de Polignac number, because 1442075145 - 2⁵ = 1442075113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20446 + ... + 57464.

It is an arithmetic number, because the mean of its divisors is an integer number (56973780).

Almost surely, 2^1442075145 is an apocalyptic number.

1442075145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1442075145 is a deficient number, since it is larger than the sum of its proper divisors (1292666295).

1442075145 is a wasteful number, since it uses less digits than its factorization.

1442075145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37094 (or 37087 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 1442075145 is about 37974.6645146471. The cubic root of 1442075145 is about 1129.7854149141.

Adding to 1442075145 its reverse (5415702441), we get a palindrome (6857777586).

The spelling of 1442075145 in words is "one billion, four hundred forty-two million, seventy-five thousand, one hundred forty-five".