154141344555461 has 4 divisors (see below), whose sum is σ = 154208450062572. Its totient is φ = 154074239048352.

The previous prime is 154141344555431. The next prime is 154141344555467. The reversal of 154141344555461 is 164555443141451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72998739844900 + 81142604710561 = 8543930^2 + 9007919^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154141344555461 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 (154141344555467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33552750110 + ... + 33552754703.

It is an arithmetic number, because the mean of its divisors is an integer number (38552112515643).

Almost surely, 2^{154141344555461} is an apocalyptic number.

It is an amenable number.

154141344555461 is a deficient number, since it is larger than the sum of its proper divisors (67105507111).

154141344555461 is an equidigital number, since it uses as much as digits as its factorization.

154141344555461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67105507110.

The product of its digits is 11520000, while the sum is 53.

The spelling of 154141344555461 in words is "one hundred fifty-four trillion, one hundred forty-one billion, three hundred forty-four million, five hundred fifty-five thousand, four hundred sixty-one".