1420047545 has 8 divisors (see below), whose sum is σ = 1947493824. Its totient is φ = 973746864.

The previous prime is 1420047527. The next prime is 1420047547. The reversal of 1420047545 is 5457400241.

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 1420047545 - 2¹⁴ = 1420031161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420047547) 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, 20286359 + ... + 20286428.

It is an arithmetic number, because the mean of its divisors is an integer number (243436728).

Almost surely, 2^1420047545 is an apocalyptic number.

It is an amenable number.

1420047545 is a deficient number, since it is larger than the sum of its proper divisors (527446279).

1420047545 is an equidigital number, since it uses as much as digits as its factorization.

1420047545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40572799.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 1420047545 is about 37683.5182142008. The cubic root of 1420047545 is about 1124.0034091094.

Adding to 1420047545 its reverse (5457400241), we get a palindrome (6877447786).

The spelling of 1420047545 in words is "one billion, four hundred twenty million, forty-seven thousand, five hundred forty-five".