157508147 has 2 divisors, whose sum is σ = 157508148. Its totient is φ = 157508146.

The previous prime is 157508137. The next prime is 157508159. The reversal of 157508147 is 741805751.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (741805751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157508147 - 2⁶ = 157508083 is a prime.

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 157508147.

It is not a weakly prime, because it can be changed into another prime (157508137) 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, 78754073 + 78754074.

It is an arithmetic number, because the mean of its divisors is an integer number (78754074).

Almost surely, 2^157508147 is an apocalyptic number.

157508147 is a deficient number, since it is larger than the sum of its proper divisors (1).

157508147 is an equidigital number, since it uses as much as digits as its factorization.

157508147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 157508147 is about 12550.2249780631. The cubic root of 157508147 is about 540.0504605337.

The spelling of 157508147 in words is "one hundred fifty-seven million, five hundred eight thousand, one hundred forty-seven".