1445401143 has 24 divisors (see below), whose sum is σ = 2128389120. Its totient is φ = 945032400.

The previous prime is 1445401123. The next prime is 1445401159. The reversal of 1445401143 is 3411045441.

1445401143 is a `hidden beast` number, since 1 + 4 + 4 + 540 + 114 + 3 = 666.

It is not a de Polignac number, because 1445401143 - 2⁹ = 1445400631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445401123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100630 + ... + 114092.

It is an arithmetic number, because the mean of its divisors is an integer number (88682880).

Almost surely, 2^1445401143 is an apocalyptic number.

1445401143 is a deficient number, since it is larger than the sum of its proper divisors (682987977).

1445401143 is a wasteful number, since it uses less digits than its factorization.

1445401143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13699 (or 13696 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1445401143 is about 38018.4316220435. The cubic root of 1445401143 is about 1130.6533259590.

Adding to 1445401143 its reverse (3411045441), we get a palindrome (4856446584).

The spelling of 1445401143 in words is "one billion, four hundred forty-five million, four hundred one thousand, one hundred forty-three".