154656091 has 2 divisors, whose sum is σ = 154656092. Its totient is φ = 154656090.

The previous prime is 154656083. The next prime is 154656107. The reversal of 154656091 is 190656451.

It is a weak prime.

It is an emirp because it is prime and its reverse (190656451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154656091 - 2³ = 154656083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154656091.

It is not a weakly prime, because it can be changed into another prime (154656001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77328045 + 77328046.

It is an arithmetic number, because the mean of its divisors is an integer number (77328046).

Almost surely, 2^154656091 is an apocalyptic number.

154656091 is a deficient number, since it is larger than the sum of its proper divisors (1).

154656091 is an equidigital number, since it uses as much as digits as its factorization.

154656091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 154656091 is about 12436.0802104200. The cubic root of 154656091 is about 536.7709572319.

The spelling of 154656091 in words is "one hundred fifty-four million, six hundred fifty-six thousand, ninety-one".