148810979 has 4 divisors (see below), whose sum is σ = 157564584. Its totient is φ = 140057376.

The previous prime is 148810973. The next prime is 148810997. The reversal of 148810979 is 979018841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148810979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148810973) 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, 4376777 + ... + 4376810.

It is an arithmetic number, because the mean of its divisors is an integer number (39391146).

Almost surely, 2^148810979 is an apocalyptic number.

148810979 is a deficient number, since it is larger than the sum of its proper divisors (8753605).

148810979 is an equidigital number, since it uses as much as digits as its factorization.

148810979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8753604.

The product of its (nonzero) digits is 145152, while the sum is 47.

The square root of 148810979 is about 12198.8105567715. The cubic root of 148810979 is about 529.9216438096.

The spelling of 148810979 in words is "one hundred forty-eight million, eight hundred ten thousand, nine hundred seventy-nine".