154416091 has 2 divisors, whose sum is σ = 154416092. Its totient is φ = 154416090.

The previous prime is 154416079. The next prime is 154416121. The reversal of 154416091 is 190614451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154416091 - 2¹³ = 154407899 is a prime.

It is not a weakly prime, because it can be changed into another prime (154416011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77208045 + 77208046.

It is an arithmetic number, because the mean of its divisors is an integer number (77208046).

Almost surely, 2^154416091 is an apocalyptic number.

154416091 is a deficient number, since it is larger than the sum of its proper divisors (1).

154416091 is an equidigital number, since it uses as much as digits as its factorization.

154416091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 154416091 is about 12426.4271212606. The cubic root of 154416091 is about 536.4931543455.

The spelling of 154416091 in words is "one hundred fifty-four million, four hundred sixteen thousand, ninety-one".