1345154344061 has 4 divisors (see below), whose sum is σ = 1467441102624. Its totient is φ = 1222867585500.

The previous prime is 1345154344049. The next prime is 1345154344097. The reversal of 1345154344061 is 1604434515431.

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 de Polignac number, because none of the positive numbers 2^k-1345154344061 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 (1345154344361) 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, 61143379265 + ... + 61143379286.

It is an arithmetic number, because the mean of its divisors is an integer number (366860275656).

Almost surely, 2^{1345154344061} is an apocalyptic number.

1345154344061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1345154344061 is a deficient number, since it is larger than the sum of its proper divisors (122286758563).

1345154344061 is a wasteful number, since it uses less digits than its factorization.

1345154344061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122286758562.

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 1345154344061 its reverse (1604434515431), we get a palindrome (2949588859492).

The spelling of 1345154344061 in words is "one trillion, three hundred forty-five billion, one hundred fifty-four million, three hundred forty-four thousand, sixty-one".