145035181 has 2 divisors, whose sum is σ = 145035182. Its totient is φ = 145035180.

The previous prime is 145035139. The next prime is 145035193. The reversal of 145035181 is 181530541.

145035181 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., 74978281 + 70056900 = 8659^2 + 8370^2 .

It is a cyclic number.

It is not a de Polignac number, because 145035181 - 2¹³ = 145026989 is a prime.

It is a super-2 number, since 2×145035181² = 42070407455405522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145035131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72517590 + 72517591.

It is an arithmetic number, because the mean of its divisors is an integer number (72517591).

Almost surely, 2^145035181 is an apocalyptic number.

It is an amenable number.

145035181 is a deficient number, since it is larger than the sum of its proper divisors (1).

145035181 is an equidigital number, since it uses as much as digits as its factorization.

145035181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 145035181 is about 12043.0553017081. The cubic root of 145035181 is about 525.4012726582.

The spelling of 145035181 in words is "one hundred forty-five million, thirty-five thousand, one hundred eighty-one".