40145167 has 2 divisors, whose sum is σ = 40145168. Its totient is φ = 40145166.

The previous prime is 40145113. The next prime is 40145173. The reversal of 40145167 is 76154104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40145167 - 2¹⁵ = 40112399 is a prime.

It is a super-2 number, since 2×40145167² = 3223268866915778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40140167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20072583 + 20072584.

It is an arithmetic number, because the mean of its divisors is an integer number (20072584).

Almost surely, 2^40145167 is an apocalyptic number.

40145167 is a deficient number, since it is larger than the sum of its proper divisors (1).

40145167 is an equidigital number, since it uses as much as digits as its factorization.

40145167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 40145167 is about 6336.0213856962. The cubic root of 40145167 is about 342.4084099848.

The spelling of 40145167 in words is "forty million, one hundred forty-five thousand, one hundred sixty-seven".