145112287 has 2 divisors, whose sum is σ = 145112288. Its totient is φ = 145112286.

The previous prime is 145112263. The next prime is 145112309. The reversal of 145112287 is 782211541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145112287 - 2²³ = 136723679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145112207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72556143 + 72556144.

It is an arithmetic number, because the mean of its divisors is an integer number (72556144).

Almost surely, 2^145112287 is an apocalyptic number.

145112287 is a deficient number, since it is larger than the sum of its proper divisors (1).

145112287 is an equidigital number, since it uses as much as digits as its factorization.

145112287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4480, while the sum is 31.

The square root of 145112287 is about 12046.2561403948. The cubic root of 145112287 is about 525.4943636661.

The spelling of 145112287 in words is "one hundred forty-five million, one hundred twelve thousand, two hundred eighty-seven".