1420334545 has 32 divisors (see below), whose sum is σ = 1989577728. Its totient is φ = 953192448.

The previous prime is 1420334543. The next prime is 1420334557. The reversal of 1420334545 is 5454330241.

It is a cyclic number.

It is not a de Polignac number, because 1420334545 - 2¹ = 1420334543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420334543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1069672 + ... + 1070998.

It is an arithmetic number, because the mean of its divisors is an integer number (62174304).

Almost surely, 2^1420334545 is an apocalyptic number.

It is an amenable number.

1420334545 is a deficient number, since it is larger than the sum of its proper divisors (569243183).

1420334545 is a wasteful number, since it uses less digits than its factorization.

1420334545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 1420334545 is about 37687.3260526666. The cubic root of 1420334545 is about 1124.0791265855.

Adding to 1420334545 its reverse (5454330241), we get a palindrome (6874664786).

The spelling of 1420334545 in words is "one billion, four hundred twenty million, three hundred thirty-four thousand, five hundred forty-five".