145735157 has 2 divisors, whose sum is σ = 145735158. Its totient is φ = 145735156.

The previous prime is 145735103. The next prime is 145735189. The reversal of 145735157 is 751537541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134351281 + 11383876 = 11591^2 + 3374^2 .

It is an emirp because it is prime and its reverse (751537541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145735157 - 2¹⁴ = 145718773 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 145735157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145795157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72867578 + 72867579.

It is an arithmetic number, because the mean of its divisors is an integer number (72867579).

Almost surely, 2^145735157 is an apocalyptic number.

It is an amenable number.

145735157 is a deficient number, since it is larger than the sum of its proper divisors (1).

145735157 is an equidigital number, since it uses as much as digits as its factorization.

145735157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73500, while the sum is 38.

The square root of 145735157 is about 12072.0817177486. The cubic root of 145735157 is about 526.2451557602.

The spelling of 145735157 in words is "one hundred forty-five million, seven hundred thirty-five thousand, one hundred fifty-seven".