144158979 has 8 divisors (see below), whose sum is σ = 192943872. Its totient is φ = 95740040.

The previous prime is 144158957. The next prime is 144158981. The reversal of 144158979 is 979851441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144158979 - 2⁷ = 144158851 is a prime.

It is a super-2 number, since 2×144158979² = 41563622452644882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144158479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90567 + ... + 92144.

It is an arithmetic number, because the mean of its divisors is an integer number (24117984).

Almost surely, 2^144158979 is an apocalyptic number.

144158979 is a deficient number, since it is larger than the sum of its proper divisors (48784893).

144158979 is a wasteful number, since it uses less digits than its factorization.

144158979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182977.

The product of its digits is 362880, while the sum is 48.

The square root of 144158979 is about 12006.6222977155. The cubic root of 144158979 is about 524.3410981069.

The spelling of 144158979 in words is "one hundred forty-four million, one hundred fifty-eight thousand, nine hundred seventy-nine".