1445054141 has 4 divisors (see below), whose sum is σ = 1445136000. Its totient is φ = 1444972284.

The previous prime is 1445054131. The next prime is 1445054183. The reversal of 1445054141 is 1414505441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445054141 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 (1445054131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2291 + ... + 53808.

It is an arithmetic number, because the mean of its divisors is an integer number (361284000).

Almost surely, 2^1445054141 is an apocalyptic number.

It is an amenable number.

1445054141 is a deficient number, since it is larger than the sum of its proper divisors (81859).

1445054141 is an equidigital number, since it uses as much as digits as its factorization.

1445054141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81858.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 1445054141 is about 38013.8677458635. The cubic root of 1445054141 is about 1130.5628388837.

Adding to 1445054141 its reverse (1414505441), we get a palindrome (2859559582).

The spelling of 1445054141 in words is "one billion, four hundred forty-five million, fifty-four thousand, one hundred forty-one".