1430142500 has 60 divisors (see below), whose sum is σ = 3212168652. Its totient is φ = 556560000.

The previous prime is 1430142491. The next prime is 1430142503. The reversal of 1430142500 is 52410341.

It can be written as a sum of positive squares in 10 ways, for example, as 1011367204 + 418775296 = 31802^2 + 20464^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1430142503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 84770 + ... + 100230.

Almost surely, 2^1430142500 is an apocalyptic number.

1430142500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1430142500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1606084326).

1430142500 is an abundant number, since it is smaller than the sum of its proper divisors (1782026152).

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

1430142500 is a wasteful number, since it uses less digits than its factorization.

1430142500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15522 (or 15505 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1430142500 is about 37817.2249114078. The cubic root of 1430142500 is about 1126.6605928892.

Adding to 1430142500 its reverse (52410341), we get a palindrome (1482552841).

The spelling of 1430142500 in words is "one billion, four hundred thirty million, one hundred forty-two thousand, five hundred".