154133047 has 2 divisors, whose sum is σ = 154133048. Its totient is φ = 154133046.

The previous prime is 154133039. The next prime is 154133071. The reversal of 154133047 is 740331451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154133047 - 2³ = 154133039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154133087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77066523 + 77066524.

It is an arithmetic number, because the mean of its divisors is an integer number (77066524).

Almost surely, 2^154133047 is an apocalyptic number.

154133047 is a deficient number, since it is larger than the sum of its proper divisors (1).

154133047 is an equidigital number, since it uses as much as digits as its factorization.

154133047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 154133047 is about 12415.0331050706. The cubic root of 154133047 is about 536.1651573455.

Adding to 154133047 its reverse (740331451), we get a palindrome (894464498).

The spelling of 154133047 in words is "one hundred fifty-four million, one hundred thirty-three thousand, forty-seven".