145979384237 has 4 divisors (see below), whose sum is σ = 145986794976. Its totient is φ = 145971973500.

The previous prime is 145979384233. The next prime is 145979384263. The reversal of 145979384237 is 732483979541.

It is a happy number.

145979384237 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145979384237 - 2² = 145979384233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145979384237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145979384233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3675743 + ... + 3715244.

It is an arithmetic number, because the mean of its divisors is an integer number (36496698744).

Almost surely, 2^145979384237 is an apocalyptic number.

It is an amenable number.

145979384237 is a deficient number, since it is larger than the sum of its proper divisors (7410739).

145979384237 is an equidigital number, since it uses as much as digits as its factorization.

145979384237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7410738.

The product of its digits is 45722880, while the sum is 62.

The spelling of 145979384237 in words is "one hundred forty-five billion, nine hundred seventy-nine million, three hundred eighty-four thousand, two hundred thirty-seven".