2145201054414 has 48 divisors (see below), whose sum is σ = 4720385268480. Its totient is φ = 649442178000.

The previous prime is 2145201054413. The next prime is 2145201054431. The reversal of 2145201054414 is 4144501025412.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145201054413) 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, 642694 + ... + 2168745.

It is an arithmetic number, because the mean of its divisors is an integer number (98341359760).

Almost surely, 2^{2145201054414} is an apocalyptic number.

2145201054414 is an abundant number, since it is smaller than the sum of its proper divisors (2575184214066).

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

2145201054414 is a wasteful number, since it uses less digits than its factorization.

2145201054414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812517 (or 2812506 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 2145201054414 its reverse (4144501025412), we get a palindrome (6289702079826).

The spelling of 2145201054414 in words is "two trillion, one hundred forty-five billion, two hundred one million, fifty-four thousand, four hundred fourteen".