145041983 has 4 divisors (see below), whose sum is σ = 145199040. Its totient is φ = 144884928.

The previous prime is 145041937. The next prime is 145042019. The reversal of 145041983 is 389140541.

145041983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 145041983 - 2⁸ = 145041727 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 (145040983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77135 + ... + 78992.

It is an arithmetic number, because the mean of its divisors is an integer number (36299760).

Almost surely, 2^145041983 is an apocalyptic number.

145041983 is a deficient number, since it is larger than the sum of its proper divisors (157057).

145041983 is an equidigital number, since it uses as much as digits as its factorization.

145041983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157056.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 145041983 is about 12043.3377018167. The cubic root of 145041983 is about 525.4094861220.

The spelling of 145041983 in words is "one hundred forty-five million, forty-one thousand, nine hundred eighty-three".