146390983 has 2 divisors, whose sum is σ = 146390984. Its totient is φ = 146390982.

The previous prime is 146390941. The next prime is 146390989. The reversal of 146390983 is 389093641.

It is a strong prime.

It is an emirp because it is prime and its reverse (389093641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146390983 - 2⁹ = 146390471 is a prime.

It is a super-4 number, since 4×146390983⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146390989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73195491 + 73195492.

It is an arithmetic number, because the mean of its divisors is an integer number (73195492).

Almost surely, 2^146390983 is an apocalyptic number.

146390983 is a deficient number, since it is larger than the sum of its proper divisors (1).

146390983 is an equidigital number, since it uses as much as digits as its factorization.

146390983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 146390983 is about 12099.2141480346. The cubic root of 146390983 is about 527.0333637468.

The spelling of 146390983 in words is "one hundred forty-six million, three hundred ninety thousand, nine hundred eighty-three".