145038983 has 2 divisors, whose sum is σ = 145038984. Its totient is φ = 145038982.

The previous prime is 145038967. The next prime is 145038991. The reversal of 145038983 is 389830541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145038983 - 2⁴ = 145038967 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 145038983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145034983) 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 as a sum of consecutive naturals, namely, 72519491 + 72519492.

It is an arithmetic number, because the mean of its divisors is an integer number (72519492).

Almost surely, 2^145038983 is an apocalyptic number.

145038983 is a deficient number, since it is larger than the sum of its proper divisors (1).

145038983 is an equidigital number, since it uses as much as digits as its factorization.

145038983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 145038983 is about 12043.2131509826. The cubic root of 145038983 is about 525.4058636321.

The spelling of 145038983 in words is "one hundred forty-five million, thirty-eight thousand, nine hundred eighty-three".