1440146100 has 36 divisors (see below), whose sum is σ = 4166823584. Its totient is φ = 384038880.

The previous prime is 1440146093. The next prime is 1440146101. The reversal of 1440146100 is 16410441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440146101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2399944 + ... + 2400543.

Almost surely, 2^1440146100 is an apocalyptic number.

1440146100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1440146100 is an abundant number, since it is smaller than the sum of its proper divisors (2726677484).

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

1440146100 is a wasteful number, since it uses less digits than its factorization.

1440146100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800504 (or 4800497 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1440146100 is about 37949.2569097209. The cubic root of 1440146100 is about 1129.2814237446.

Adding to 1440146100 its reverse (16410441), we get a palindrome (1456556541).

The spelling of 1440146100 in words is "one billion, four hundred forty million, one hundred forty-six thousand, one hundred".