2145351342 has 16 divisors (see below), whose sum is σ = 4429112832. Its totient is φ = 692048760.

The previous prime is 2145351293. The next prime is 2145351343. The reversal of 2145351342 is 2431535412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145351343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5766888 + ... + 5767259.

It is an arithmetic number, because the mean of its divisors is an integer number (276819552).

Almost surely, 2^2145351342 is an apocalyptic number.

2145351342 is an abundant number, since it is smaller than the sum of its proper divisors (2283761490).

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

2145351342 is a wasteful number, since it uses less digits than its factorization.

2145351342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11534183.

The product of its digits is 14400, while the sum is 30.

The square root of 2145351342 is about 46317.9375836187. The cubic root of 2145351342 is about 1289.7320000923.

Adding to 2145351342 its reverse (2431535412), we get a palindrome (4576886754).

The spelling of 2145351342 in words is "two billion, one hundred forty-five million, three hundred fifty-one thousand, three hundred forty-two".