154040354431 has 2 divisors, whose sum is σ = 154040354432. Its totient is φ = 154040354430.

The previous prime is 154040354327. The next prime is 154040354437. The reversal of 154040354431 is 134453040451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154040354431 - 2²⁹ = 153503483519 is a prime.

It is a super-2 number, since 2×154040354431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154040354437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77020177215 + 77020177216.

It is an arithmetic number, because the mean of its divisors is an integer number (77020177216).

Almost surely, 2^154040354431 is an apocalyptic number.

154040354431 is a deficient number, since it is larger than the sum of its proper divisors (1).

154040354431 is an equidigital number, since it uses as much as digits as its factorization.

154040354431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 154040354431 its reverse (134453040451), we get a palindrome (288493394882).

The spelling of 154040354431 in words is "one hundred fifty-four billion, forty million, three hundred fifty-four thousand, four hundred thirty-one".