40737157 has 2 divisors, whose sum is σ = 40737158. Its totient is φ = 40737156.

The previous prime is 40737143. The next prime is 40737161. The reversal of 40737157 is 75173704.

40737157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40335201 + 401956 = 6351^2 + 634^2 .

It is a cyclic number.

It is not a de Polignac number, because 40737157 - 2¹¹ = 40735109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40737107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20368578 + 20368579.

It is an arithmetic number, because the mean of its divisors is an integer number (20368579).

Almost surely, 2^40737157 is an apocalyptic number.

It is an amenable number.

40737157 is a deficient number, since it is larger than the sum of its proper divisors (1).

40737157 is an equidigital number, since it uses as much as digits as its factorization.

40737157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 40737157 is about 6382.5666467339. The cubic root of 40737157 is about 344.0832821839.

The spelling of 40737157 in words is "forty million, seven hundred thirty-seven thousand, one hundred fifty-seven".