145767157 has 2 divisors, whose sum is σ = 145767158. Its totient is φ = 145767156.

The previous prime is 145767113. The next prime is 145767187. The reversal of 145767157 is 751767541.

145767157 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., 141276996 + 4490161 = 11886^2 + 2119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145767157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145767187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72883578 + 72883579.

It is an arithmetic number, because the mean of its divisors is an integer number (72883579).

Almost surely, 2^145767157 is an apocalyptic number.

It is an amenable number.

145767157 is a deficient number, since it is larger than the sum of its proper divisors (1).

145767157 is an equidigital number, since it uses as much as digits as its factorization.

145767157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 205800, while the sum is 43.

The square root of 145767157 is about 12073.4070170768. The cubic root of 145767157 is about 526.2836699457.

It can be divided in two parts, 145767 and 157, that added together give a square (145924 = 382²).

The spelling of 145767157 in words is "one hundred forty-five million, seven hundred sixty-seven thousand, one hundred fifty-seven".