1401445101 has 8 divisors (see below), whose sum is σ = 2135535424. Its totient is φ = 800825760.

The previous prime is 1401445091. The next prime is 1401445139. The reversal of 1401445101 is 1015441041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1401445101 - 2¹¹ = 1401443053 is a prime.

It is a super-2 number, since 2×1401445101² = 3928096742233800402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 66735481 = 1401445101 / (1 + 4 + 0 + 1 + 4 + 4 + 5 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401443101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33367720 + ... + 33367761.

It is an arithmetic number, because the mean of its divisors is an integer number (266941928).

Almost surely, 2^1401445101 is an apocalyptic number.

It is an amenable number.

1401445101 is a deficient number, since it is larger than the sum of its proper divisors (734090323).

1401445101 is an equidigital number, since it uses as much as digits as its factorization.

1401445101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66735491.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1401445101 is about 37435.8798614377. The cubic root of 1401445101 is about 1119.0737188897.

Adding to 1401445101 its reverse (1015441041), we get a palindrome (2416886142).

The spelling of 1401445101 in words is "one billion, four hundred one million, four hundred forty-five thousand, one hundred one".