40154111 has 2 divisors, whose sum is σ = 40154112. Its totient is φ = 40154110.

The previous prime is 40154099. The next prime is 40154123. The reversal of 40154111 is 11145104.

It is a balanced prime because it is at equal distance from previous prime (40154099) and next prime (40154123).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40154111 is a prime.

It is a super-2 number, since 2×40154111² = 3224705260400642, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40154111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40154171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20077055 + 20077056.

It is an arithmetic number, because the mean of its divisors is an integer number (20077056).

Almost surely, 2^40154111 is an apocalyptic number.

40154111 is a deficient number, since it is larger than the sum of its proper divisors (1).

40154111 is an equidigital number, since it uses as much as digits as its factorization.

40154111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 40154111 is about 6336.7271520873. The cubic root of 40154111 is about 342.4338366521.

Adding to 40154111 its reverse (11145104), we get a palindrome (51299215).

The spelling of 40154111 in words is "forty million, one hundred fifty-four thousand, one hundred eleven".