1401445 has 8 divisors (see below), whose sum is σ = 1695744. Its totient is φ = 1111824.

The previous prime is 1401443. The next prime is 1401461. The reversal of 1401445 is 5441041.

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

It is a cyclic number.

It is not a de Polignac number, because 1401445 - 2¹ = 1401443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401443) 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, 469 + ... + 1738.

It is an arithmetic number, because the mean of its divisors is an integer number (211968).

2^1401445 is an apocalyptic number.

It is an amenable number.

1401445 is a deficient number, since it is larger than the sum of its proper divisors (294299).

1401445 is a wasteful number, since it uses less digits than its factorization.

1401445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1401445 is about 1183.8264230874. The cubic root of 1401445 is about 111.9073692006.

Adding to 1401445 its reverse (5441041), we get a palindrome (6842486).

The spelling of 1401445 in words is "one million, four hundred one thousand, four hundred forty-five".