145608979 has 4 divisors (see below), whose sum is σ = 145801080. Its totient is φ = 145416880.

The previous prime is 145608977. The next prime is 145609003. The reversal of 145608979 is 979806541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979806541 = 7 ⋅139972363.

It is a cyclic number.

It is not a de Polignac number, because 145608979 - 2¹ = 145608977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145608977) 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 in 3 ways as a sum of consecutive naturals, for example, 94909 + ... + 96430.

It is an arithmetic number, because the mean of its divisors is an integer number (36450270).

Almost surely, 2^145608979 is an apocalyptic number.

145608979 is a deficient number, since it is larger than the sum of its proper divisors (192101).

145608979 is an equidigital number, since it uses as much as digits as its factorization.

145608979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192100.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 145608979 is about 12066.8545611522. The cubic root of 145608979 is about 526.0932369528.

The spelling of 145608979 in words is "one hundred forty-five million, six hundred eight thousand, nine hundred seventy-nine".