145359983 has 2 divisors, whose sum is σ = 145359984. Its totient is φ = 145359982.

The previous prime is 145359967. The next prime is 145359989. The reversal of 145359983 is 389953541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145359983 - 2⁴ = 145359967 is a prime.

It is a super-2 number, since 2×145359983² = 42259049315520578, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145359989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72679991 + 72679992.

It is an arithmetic number, because the mean of its divisors is an integer number (72679992).

Almost surely, 2^145359983 is an apocalyptic number.

145359983 is a deficient number, since it is larger than the sum of its proper divisors (1).

145359983 is an equidigital number, since it uses as much as digits as its factorization.

145359983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 47.

The square root of 145359983 is about 12056.5327934693. The cubic root of 145359983 is about 525.7931871157.

The spelling of 145359983 in words is "one hundred forty-five million, three hundred fifty-nine thousand, nine hundred eighty-three".