1445244141 has 16 divisors (see below), whose sum is σ = 2105610048. Its totient is φ = 874473600.

The previous prime is 1445244131. The next prime is 1445244167. The reversal of 1445244141 is 1414425441.

It is not a de Polignac number, because 1445244141 - 2²⁹ = 908373229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1445244099 and 1445244108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445244131) 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, 15130 + ... + 55851.

It is an arithmetic number, because the mean of its divisors is an integer number (131600628).

Almost surely, 2^1445244141 is an apocalyptic number.

1445244141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1445244141 is a deficient number, since it is larger than the sum of its proper divisors (660365907).

1445244141 is a wasteful number, since it uses less digits than its factorization.

1445244141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71612.

The product of its digits is 10240, while the sum is 30.

The square root of 1445244141 is about 38016.3667517031. The cubic root of 1445244141 is about 1130.6123866294.

Adding to 1445244141 its reverse (1414425441), we get a palindrome (2859669582).

The spelling of 1445244141 in words is "one billion, four hundred forty-five million, two hundred forty-four thousand, one hundred forty-one".