154945226699 has 2 divisors, whose sum is σ = 154945226700. Its totient is φ = 154945226698.

The previous prime is 154945226677. The next prime is 154945226713. The reversal of 154945226699 is 996622549451.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154945226699 is a prime.

It is not a weakly prime, because it can be changed into another prime (154945226659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77472613349 + 77472613350.

It is an arithmetic number, because the mean of its divisors is an integer number (77472613350).

Almost surely, 2^154945226699 is an apocalyptic number.

154945226699 is a deficient number, since it is larger than the sum of its proper divisors (1).

154945226699 is an equidigital number, since it uses as much as digits as its factorization.

154945226699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41990400, while the sum is 62.

The spelling of 154945226699 in words is "one hundred fifty-four billion, nine hundred forty-five million, two hundred twenty-six thousand, six hundred ninety-nine".