1461143100 has 36 divisors (see below), whose sum is σ = 4227574904. Its totient is φ = 389638080.

The previous prime is 1461143077. The next prime is 1461143137. The reversal of 1461143100 is 13411641.

It is a super-2 number, since 2×1461143100² = 4269878317355220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2434939 + ... + 2435538.

Almost surely, 2^1461143100 is an apocalyptic number.

1461143100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1461143100 is an abundant number, since it is smaller than the sum of its proper divisors (2766431804).

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

1461143100 is a wasteful number, since it uses less digits than its factorization.

1461143100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4870494 (or 4870487 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1461143100 is about 38224.9015695266. The cubic root of 1461143100 is about 1134.7431868002.

Adding to 1461143100 its reverse (13411641), we get a palindrome (1474554741).

The spelling of 1461143100 in words is "one billion, four hundred sixty-one million, one hundred forty-three thousand, one hundred".