1421432544545 has 16 divisors (see below), whose sum is σ = 1842911716800. Its totient is φ = 1046254117824.

The previous prime is 1421432544509. The next prime is 1421432544551. The reversal of 1421432544545 is 5454452341241.

It is a cyclic number.

It is not a de Polignac number, because 1421432544545 - 2¹⁴ = 1421432528161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421432544496 and 1421432544505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35595995 + ... + 35635904.

It is an arithmetic number, because the mean of its divisors is an integer number (115181982300).

Almost surely, 2^{1421432544545} is an apocalyptic number.

It is an amenable number.

1421432544545 is a deficient number, since it is larger than the sum of its proper divisors (421479172255).

1421432544545 is a wasteful number, since it uses less digits than its factorization.

1421432544545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71232224.

The product of its digits is 1536000, while the sum is 44.

Adding to 1421432544545 its reverse (5454452341241), we get a palindrome (6875884885786).

The spelling of 1421432544545 in words is "one trillion, four hundred twenty-one billion, four hundred thirty-two million, five hundred forty-four thousand, five hundred forty-five".