40300157 has 2 divisors, whose sum is σ = 40300158. Its totient is φ = 40300156.

The previous prime is 40300151. The next prime is 40300181. The reversal of 40300157 is 75100304.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32787076 + 7513081 = 5726^2 + 2741^2 .

It is a cyclic number.

It is not a de Polignac number, because 40300157 - 2¹⁴ = 40283773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40300151) 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, 20150078 + 20150079.

It is an arithmetic number, because the mean of its divisors is an integer number (20150079).

Almost surely, 2^40300157 is an apocalyptic number.

It is an amenable number.

40300157 is a deficient number, since it is larger than the sum of its proper divisors (1).

40300157 is an equidigital number, since it uses as much as digits as its factorization.

40300157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 40300157 is about 6348.2404648847. The cubic root of 40300157 is about 342.8484939204.

The spelling of 40300157 in words is "forty million, three hundred thousand, one hundred fifty-seven".