149243142401 has 2 divisors, whose sum is σ = 149243142402. Its totient is φ = 149243142400.

The previous prime is 149243142383. The next prime is 149243142413. The reversal of 149243142401 is 104241342941.

It is a Cunningham number, because it is equal to 386320²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149243142400 + 1 = 386320^2 + 1^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149243142401 is a prime.

It is not a weakly prime, because it can be changed into another prime (149243142421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74621571200 + 74621571201.

It is an arithmetic number, because the mean of its divisors is an integer number (74621571201).

Almost surely, 2^149243142401 is an apocalyptic number.

It is an amenable number.

149243142401 is a deficient number, since it is larger than the sum of its proper divisors (1).

149243142401 is an equidigital number, since it uses as much as digits as its factorization.

149243142401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 149243142401 in words is "one hundred forty-nine billion, two hundred forty-three million, one hundred forty-two thousand, four hundred one".