2145141242 has 8 divisors (see below), whose sum is σ = 3248952096. Its totient is φ = 1062157212.

The previous prime is 2145141233. The next prime is 2145141283. The reversal of 2145141242 is 2421415412.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5206448 + ... + 5206859.

It is an arithmetic number, because the mean of its divisors is an integer number (406119012).

Almost surely, 2^2145141242 is an apocalyptic number.

2145141242 is a deficient number, since it is larger than the sum of its proper divisors (1103810854).

2145141242 is a wasteful number, since it uses less digits than its factorization.

2145141242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10413412.

The product of its digits is 2560, while the sum is 26.

The square root of 2145141242 is about 46315.6695082776. The cubic root of 2145141242 is about 1289.6898964153.

Adding to 2145141242 its reverse (2421415412), we get a palindrome (4566556654).

The spelling of 2145141242 in words is "two billion, one hundred forty-five million, one hundred forty-one thousand, two hundred forty-two".