145135157 has 2 divisors, whose sum is σ = 145135158. Its totient is φ = 145135156.

The previous prime is 145135139. The next prime is 145135187. The reversal of 145135157 is 751531541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123965956 + 21169201 = 11134^2 + 4601^2 .

It is an emirp because it is prime and its reverse (751531541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145135157 - 2⁶ = 145135093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145135187) 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, 72567578 + 72567579.

It is an arithmetic number, because the mean of its divisors is an integer number (72567579).

Almost surely, 2^145135157 is an apocalyptic number.

It is an amenable number.

145135157 is a deficient number, since it is larger than the sum of its proper divisors (1).

145135157 is an equidigital number, since it uses as much as digits as its factorization.

145135157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10500, while the sum is 32.

The square root of 145135157 is about 12047.2053605805. The cubic root of 145135157 is about 525.5219685529.

Adding to 145135157 its reverse (751531541), we get a palindrome (896666698).

The spelling of 145135157 in words is "one hundred forty-five million, one hundred thirty-five thousand, one hundred fifty-seven".