145957679 has 4 divisors (see below), whose sum is σ = 166808784. Its totient is φ = 125106576.

The previous prime is 145957661. The next prime is 145957697. The reversal of 145957679 is 976759541.

145957679 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 an interprime number because it is at equal distance from previous prime (145957661) and next prime (145957697).

It is not a de Polignac number, because 145957679 - 2¹² = 145953583 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 145957679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145951679) 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, 10425542 + ... + 10425555.

It is an arithmetic number, because the mean of its divisors is an integer number (41702196).

Almost surely, 2^145957679 is an apocalyptic number.

145957679 is a deficient number, since it is larger than the sum of its proper divisors (20851105).

145957679 is an equidigital number, since it uses as much as digits as its factorization.

145957679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20851104.

The product of its digits is 2381400, while the sum is 53.

The square root of 145957679 is about 12081.2945912266. The cubic root of 145957679 is about 526.5128595803.

The spelling of 145957679 in words is "one hundred forty-five million, nine hundred fifty-seven thousand, six hundred seventy-nine".