2145350142 has 48 divisors (see below), whose sum is σ = 5011651008. Its totient is φ = 659338560.

The previous prime is 2145350111. The next prime is 2145350147. The reversal of 2145350142 is 2410535412.

2145350142 is a `hidden beast` number, since 21 + 453 + 50 + 142 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145350147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215323 + ... + 225065.

It is an arithmetic number, because the mean of its divisors is an integer number (104409396).

Almost surely, 2^2145350142 is an apocalyptic number.

2145350142 is an abundant number, since it is smaller than the sum of its proper divisors (2866300866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145350142 is a wasteful number, since it uses less digits than its factorization.

2145350142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10705 (or 10702 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2145350142 is about 46317.9246296723. The cubic root of 2145350142 is about 1289.7317596221.

Adding to 2145350142 its reverse (2410535412), we get a palindrome (4555885554).

The spelling of 2145350142 in words is "two billion, one hundred forty-five million, three hundred fifty thousand, one hundred forty-two".