144155253154061 has 2 divisors, whose sum is σ = 144155253154062. Its totient is φ = 144155253154060.

The previous prime is 144155253154001. The next prime is 144155253154189. The reversal of 144155253154061 is 160451352551441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128823181000900 + 15332072153161 = 11350030^2 + 3915619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144155253154061 is a prime.

It is a super-2 number, since 2×144155253154061² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144155253153997 and 144155253154015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144155253154001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72077626577030 + 72077626577031.

It is an arithmetic number, because the mean of its divisors is an integer number (72077626577031).

Almost surely, 2^{144155253154061} is an apocalyptic number.

It is an amenable number.

144155253154061 is a deficient number, since it is larger than the sum of its proper divisors (1).

144155253154061 is an equidigital number, since it uses as much as digits as its factorization.

144155253154061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 144155253154061 in words is "one hundred forty-four trillion, one hundred fifty-five billion, two hundred fifty-three million, one hundred fifty-four thousand, sixty-one".