40014157 has 2 divisors, whose sum is σ = 40014158. Its totient is φ = 40014156.

The previous prime is 40014151. The next prime is 40014199. The reversal of 40014157 is 75141004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38700841 + 1313316 = 6221^2 + 1146^2 .

It is a cyclic number.

It is not a de Polignac number, because 40014157 - 2¹¹ = 40012109 is a prime.

It is a super-2 number, since 2×40014157² = 3202265520841298, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40014151) 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, 20007078 + 20007079.

It is an arithmetic number, because the mean of its divisors is an integer number (20007079).

Almost surely, 2^40014157 is an apocalyptic number.

It is an amenable number.

40014157 is a deficient number, since it is larger than the sum of its proper divisors (1).

40014157 is an equidigital number, since it uses as much as digits as its factorization.

40014157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 40014157 is about 6325.6744304461. The cubic root of 40014157 is about 342.0355314588.

The spelling of 40014157 in words is "forty million, fourteen thousand, one hundred fifty-seven".