1430001144 has 96 divisors (see below), whose sum is σ = 4550036400. Its totient is φ = 399997440.

The previous prime is 1430001137. The next prime is 1430001151. The reversal of 1430001144 is 4411000341.

It is an interprime number because it is at equal distance from previous prime (1430001137) and next prime (1430001151).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59149 + ... + 79740.

Almost surely, 2^1430001144 is an apocalyptic number.

It is an amenable number.

1430001144 is an abundant number, since it is smaller than the sum of its proper divisors (3120035256).

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

1430001144 is a wasteful number, since it uses less digits than its factorization.

1430001144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138925 (or 138918 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1430001144 is about 37815.3559285114. The cubic root of 1430001144 is about 1126.6234717673.

Adding to 1430001144 its reverse (4411000341), we get a palindrome (5841001485).

The spelling of 1430001144 in words is "one billion, four hundred thirty million, one thousand, one hundred forty-four".