2145465240451 has 8 divisors (see below), whose sum is σ = 2315245390304. Its totient is φ = 1976362856640.

The previous prime is 2145465240431. The next prime is 2145465240463. The reversal of 2145465240451 is 1540425645412.

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

It is a cyclic number.

It is not a de Polignac number, because 2145465240451 - 2⁷ = 2145465240323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2145465240398 and 2145465240407.

It is not an unprimeable number, because it can be changed into a prime (2145465240431) 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, 169434930 + ... + 169447591.

It is an arithmetic number, because the mean of its divisors is an integer number (289405673788).

Almost surely, 2^{2145465240451} is an apocalyptic number.

2145465240451 is a deficient number, since it is larger than the sum of its proper divisors (169780149853).

2145465240451 is a wasteful number, since it uses less digits than its factorization.

2145465240451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338883021.

The product of its (nonzero) digits is 768000, while the sum is 43.

The spelling of 2145465240451 in words is "two trillion, one hundred forty-five billion, four hundred sixty-five million, two hundred forty thousand, four hundred fifty-one".