154030040429 has 2 divisors, whose sum is σ = 154030040430. Its totient is φ = 154030040428.

The previous prime is 154030040383. The next prime is 154030040431. The reversal of 154030040429 is 924040030451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132351895204 + 21678145225 = 363802^2 + 147235^2 .

It is a cyclic number.

It is not a de Polignac number, because 154030040429 - 2¹² = 154030036333 is a prime.

Together with 154030040431, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 154030040395 and 154030040404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154030040459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77015020214 + 77015020215.

It is an arithmetic number, because the mean of its divisors is an integer number (77015020215).

Almost surely, 2^154030040429 is an apocalyptic number.

It is an amenable number.

154030040429 is a deficient number, since it is larger than the sum of its proper divisors (1).

154030040429 is an equidigital number, since it uses as much as digits as its factorization.

154030040429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 154030040429 in words is "one hundred fifty-four billion, thirty million, forty thousand, four hundred twenty-nine".