1401145312 has 96 divisors (see below), whose sum is σ = 3245018112. Its totient is φ = 583125504.

The previous prime is 1401145301. The next prime is 1401145313. The reversal of 1401145312 is 2135411041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401145313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1269753 + ... + 1270855.

It is an arithmetic number, because the mean of its divisors is an integer number (33802272).

Almost surely, 2^1401145312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401145312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622509056).

1401145312 is an abundant number, since it is smaller than the sum of its proper divisors (1843872800).

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

1401145312 is a wasteful number, since it uses less digits than its factorization.

1401145312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1401145312 is about 37431.8756142409. The cubic root of 1401145312 is about 1118.9939179482.

Adding to 1401145312 its reverse (2135411041), we get a palindrome (3536556353).

The spelling of 1401145312 in words is "one billion, four hundred one million, one hundred forty-five thousand, three hundred twelve".