2445775442 has 32 divisors (see below), whose sum is σ = 4181151744. Its totient is φ = 1062867600.

The previous prime is 2445775441. The next prime is 2445775459.

2445775442 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2445775393 and 2445775402.

It is not an unprimeable number, because it can be changed into a prime (2445775441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35003 + ... + 78209.

It is an arithmetic number, because the mean of its divisors is an integer number (130660992).

Almost surely, 2^2445775442 is an apocalyptic number.

2445775442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2445775442 is a deficient number, since it is larger than the sum of its proper divisors (1735376302).

2445775442 is a wasteful number, since it uses less digits than its factorization.

2445775442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43334.

The product of its digits is 1254400, while the sum is 44.

The square root of 2445775442 is about 49454.7817910463. The cubic root of 2445775442 is about 1347.3244570840.

It can be divided in two parts, 24457 and 75442, that added together give a palindrome (99899).

The spelling of 2445775442 in words is "two billion, four hundred forty-five million, seven hundred seventy-five thousand, four hundred forty-two".