2145243414105 has 96 divisors (see below), whose sum is σ = 4433626948608. Its totient is φ = 947355955200.

The previous prime is 2145243414091. The next prime is 2145243414107. The reversal of 2145243414105 is 5014143425412.

2145243414105 is a `hidden beast` number, since 2 + 14 + 524 + 3 + 4 + 14 + 105 = 666.

It is not a de Polignac number, because 2145243414105 - 2¹⁹ = 2145242889817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2145243414105.

It is not an unprimeable number, because it can be changed into a prime (2145243414107) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3850924 + ... + 4372653.

It is an arithmetic number, because the mean of its divisors is an integer number (46183614048).

Almost surely, 2^{2145243414105} is an apocalyptic number.

It is an amenable number.

2145243414105 is an abundant number, since it is smaller than the sum of its proper divisors (2288383534503).

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

2145243414105 is a wasteful number, since it uses less digits than its factorization.

2145243414105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8223647 (or 8223644 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 2145243414105 its reverse (5014143425412), we get a palindrome (7159386839517).

The spelling of 2145243414105 in words is "two trillion, one hundred forty-five billion, two hundred forty-three million, four hundred fourteen thousand, one hundred five".