1420045302 has 64 divisors (see below), whose sum is σ = 3118477824. Its totient is φ = 428440320.

The previous prime is 1420045283. The next prime is 1420045307. The reversal of 1420045302 is 2035400241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420045307) 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, 1468023 + ... + 1468989.

It is an arithmetic number, because the mean of its divisors is an integer number (48726216).

Almost surely, 2^1420045302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420045302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1559238912).

1420045302 is an abundant number, since it is smaller than the sum of its proper divisors (1698432522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1420045302 is a wasteful number, since it uses less digits than its factorization.

1420045302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1420045302 is about 37683.4884531674. The cubic root of 1420045302 is about 1124.0028173120.

Adding to 1420045302 its reverse (2035400241), we get a palindrome (3455445543).

The spelling of 1420045302 in words is "one billion, four hundred twenty million, forty-five thousand, three hundred two".