145104287 has 2 divisors, whose sum is σ = 145104288. Its totient is φ = 145104286.

The previous prime is 145104259. The next prime is 145104329. The reversal of 145104287 is 782401541.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (782401541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145104287 - 2²⁴ = 128327071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145104227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72552143 + 72552144.

It is an arithmetic number, because the mean of its divisors is an integer number (72552144).

Almost surely, 2^145104287 is an apocalyptic number.

145104287 is a deficient number, since it is larger than the sum of its proper divisors (1).

145104287 is an equidigital number, since it uses as much as digits as its factorization.

145104287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 145104287 is about 12045.9240824438. The cubic root of 145104287 is about 525.4847067026.

The spelling of 145104287 in words is "one hundred forty-five million, one hundred four thousand, two hundred eighty-seven".