145068487 has 4 divisors (see below), whose sum is σ = 146698560. Its totient is φ = 143438416.

The previous prime is 145068457. The next prime is 145068491. The reversal of 145068487 is 784860541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145068487 - 2⁷ = 145068359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145068457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814903 + ... + 815080.

It is an arithmetic number, because the mean of its divisors is an integer number (36674640).

Almost surely, 2^145068487 is an apocalyptic number.

145068487 is a deficient number, since it is larger than the sum of its proper divisors (1630073).

145068487 is an equidigital number, since it uses as much as digits as its factorization.

145068487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630072.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 145068487 is about 12044.4380109659. The cubic root of 145068487 is about 525.4414874423.

The spelling of 145068487 in words is "one hundred forty-five million, sixty-eight thousand, four hundred eighty-seven".