1155145113445 has 8 divisors (see below), whose sum is σ = 1430889431040. Its totient is φ = 894305894160.

The previous prime is 1155145113443. The next prime is 1155145113467. The reversal of 1155145113445 is 5443115415511.

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

It is not a de Polignac number, because 1155145113445 - 2¹ = 1155145113443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1155145113398 and 1155145113407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155145113443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3726274405 + ... + 3726274714.

It is an arithmetic number, because the mean of its divisors is an integer number (178861178880).

Almost surely, 2^{1155145113445} is an apocalyptic number.

It is an amenable number.

1155145113445 is a deficient number, since it is larger than the sum of its proper divisors (275744317595).

1155145113445 is an equidigital number, since it uses as much as digits as its factorization.

1155145113445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7452549155.

The product of its digits is 120000, while the sum is 40.

The spelling of 1155145113445 in words is "one trillion, one hundred fifty-five billion, one hundred forty-five million, one hundred thirteen thousand, four hundred forty-five".