1445630141 has 4 divisors (see below), whose sum is σ = 1448093472. Its totient is φ = 1443166812.

The previous prime is 1445630129. The next prime is 1445630149. The reversal of 1445630141 is 1410365441.

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.

It is a cyclic number.

It is not a de Polignac number, because 1445630141 - 2³⁰ = 371888317 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 (1445630149) 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, 1230785 + ... + 1231958.

It is an arithmetic number, because the mean of its divisors is an integer number (362023368).

Almost surely, 2^1445630141 is an apocalyptic number.

It is an amenable number.

1445630141 is a deficient number, since it is larger than the sum of its proper divisors (2463331).

1445630141 is an equidigital number, since it uses as much as digits as its factorization.

1445630141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463330.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1445630141 is about 38021.4431735567. The cubic root of 1445630141 is about 1130.7130334156.

Adding to 1445630141 its reverse (1410365441), we get a palindrome (2855995582).

The spelling of 1445630141 in words is "one billion, four hundred forty-five million, six hundred thirty thousand, one hundred forty-one".