1443506135645 has 8 divisors (see below), whose sum is σ = 1979665557504. Its totient is φ = 989832778704.

The previous prime is 1443506135623. The next prime is 1443506135683. The reversal of 1443506135645 is 5465316053441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1443506135645 - 2⁸ = 1443506135389 is a prime.

It is a super-2 number, since 2×1443506135645² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1443506135645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20621516189 + ... + 20621516258.

It is an arithmetic number, because the mean of its divisors is an integer number (247458194688).

Almost surely, 2^{1443506135645} is an apocalyptic number.

It is an amenable number.

1443506135645 is a deficient number, since it is larger than the sum of its proper divisors (536159421859).

1443506135645 is an equidigital number, since it uses as much as digits as its factorization.

1443506135645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41243032459.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 1443506135645 in words is "one trillion, four hundred forty-three billion, five hundred six million, one hundred thirty-five thousand, six hundred forty-five".