1454065620645 has 24 divisors (see below), whose sum is σ = 2557232764128. Its totient is φ = 705001512160.

The previous prime is 1454065620641. The next prime is 1454065620647. The reversal of 1454065620645 is 5460265604541.

It is a happy number.

It is not a de Polignac number, because 1454065620645 - 2² = 1454065620641 is a prime.

It is a super-2 number, since 2×1454065620645² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1454065620594 and 1454065620603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454065620641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400567227 + ... + 400570856.

It is an arithmetic number, because the mean of its divisors is an integer number (106551365172).

Almost surely, 2^{1454065620645} is an apocalyptic number.

1454065620645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1454065620645 is a deficient number, since it is larger than the sum of its proper divisors (1103167143483).

1454065620645 is a wasteful number, since it uses less digits than its factorization.

1454065620645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801138113 (or 801138102 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 1454065620645 in words is "one trillion, four hundred fifty-four billion, sixty-five million, six hundred twenty thousand, six hundred forty-five".