154077439037 has 2 divisors, whose sum is σ = 154077439038. Its totient is φ = 154077439036.

The previous prime is 154077439007. The next prime is 154077439049. The reversal of 154077439037 is 730934770451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147420674116 + 6656764921 = 383954^2 + 81589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154077439037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154077439007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77038719518 + 77038719519.

It is an arithmetic number, because the mean of its divisors is an integer number (77038719519).

Almost surely, 2^154077439037 is an apocalyptic number.

It is an amenable number.

154077439037 is a deficient number, since it is larger than the sum of its proper divisors (1).

154077439037 is an equidigital number, since it uses as much as digits as its factorization.

154077439037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 50.

The spelling of 154077439037 in words is "one hundred fifty-four billion, seventy-seven million, four hundred thirty-nine thousand, thirty-seven".