1420302545 has 8 divisors (see below), whose sum is σ = 1707351360. Its totient is φ = 1134249840.

The previous prime is 1420302517. The next prime is 1420302547. The reversal of 1420302545 is 5452030241.

It is a happy number.

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

It is not a de Polignac number, because 1420302545 - 2¹⁶ = 1420237009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420302547) 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, 245885 + ... + 251594.

It is an arithmetic number, because the mean of its divisors is an integer number (213418920).

Almost surely, 2^1420302545 is an apocalyptic number.

It is an amenable number.

1420302545 is a deficient number, since it is larger than the sum of its proper divisors (287048815).

1420302545 is an equidigital number, since it uses as much as digits as its factorization.

1420302545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498055.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1420302545 is about 37686.9015043689. The cubic root of 1420302545 is about 1124.0706847241.

Adding to 1420302545 its reverse (5452030241), we get a palindrome (6872332786).

The spelling of 1420302545 in words is "one billion, four hundred twenty million, three hundred two thousand, five hundred forty-five".