145846487 has 2 divisors, whose sum is σ = 145846488. Its totient is φ = 145846486.

The previous prime is 145846397. The next prime is 145846517. The reversal of 145846487 is 784648541.

145846487 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 is a cyclic number.

It is not a de Polignac number, because 145846487 - 2⁸ = 145846231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145806487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72923243 + 72923244.

It is an arithmetic number, because the mean of its divisors is an integer number (72923244).

Almost surely, 2^145846487 is an apocalyptic number.

145846487 is a deficient number, since it is larger than the sum of its proper divisors (1).

145846487 is an equidigital number, since it uses as much as digits as its factorization.

145846487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 860160, while the sum is 47.

The square root of 145846487 is about 12076.6918897519. The cubic root of 145846487 is about 526.3791247172.

The spelling of 145846487 in words is "one hundred forty-five million, eight hundred forty-six thousand, four hundred eighty-seven".