2145205143462 has 8 divisors (see below), whose sum is σ = 4290410286936. Its totient is φ = 715068381152.

The previous prime is 2145205143461. The next prime is 2145205143533. The reversal of 2145205143462 is 2643415025412.

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

2145205143462 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2145205143462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145205143461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178767095283 + ... + 178767095294.

It is an arithmetic number, because the mean of its divisors is an integer number (536301285867).

Almost surely, 2^{2145205143462} is an apocalyptic number.

2145205143462 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2145205143462 is a wasteful number, since it uses less digits than its factorization.

2145205143462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357534190582.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 2145205143462 in words is "two trillion, one hundred forty-five billion, two hundred five million, one hundred forty-three thousand, four hundred sixty-two".