145718983 has 2 divisors, whose sum is σ = 145718984. Its totient is φ = 145718982.

The previous prime is 145718981. The next prime is 145719047. The reversal of 145718983 is 389817541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145718983 - 2¹ = 145718981 is a prime.

Together with 145718981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145718981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72859491 + 72859492.

It is an arithmetic number, because the mean of its divisors is an integer number (72859492).

Almost surely, 2^145718983 is an apocalyptic number.

145718983 is a deficient number, since it is larger than the sum of its proper divisors (1).

145718983 is an equidigital number, since it uses as much as digits as its factorization.

145718983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 46.

The square root of 145718983 is about 12071.4118064127. The cubic root of 145718983 is about 526.2256871016.

It can be divided in two parts, 14571898 and 3, that added together give a triangular number (14571901 = T₅₃₉₈).

The spelling of 145718983 in words is "one hundred forty-five million, seven hundred eighteen thousand, nine hundred eighty-three".