1401049445 has 4 divisors (see below), whose sum is σ = 1681259340. Its totient is φ = 1120839552.

The previous prime is 1401049411. The next prime is 1401049451. The reversal of 1401049445 is 5449401041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 531625249 + 869424196 = 23057^2 + 29486^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401049445 - 2²⁴ = 1384272229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140104940 + ... + 140104949.

It is an arithmetic number, because the mean of its divisors is an integer number (420314835).

Almost surely, 2^1401049445 is an apocalyptic number.

It is an amenable number.

1401049445 is a deficient number, since it is larger than the sum of its proper divisors (280209895).

1401049445 is an equidigital number, since it uses as much as digits as its factorization.

1401049445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280209894.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1401049445 is about 37430.5950393525. The cubic root of 1401049445 is about 1118.9683966751.

The spelling of 1401049445 in words is "one billion, four hundred one million, forty-nine thousand, four hundred forty-five".