148810978 has 16 divisors (see below), whose sum is σ = 224902656. Its totient is φ = 73846080.

The previous prime is 148810973. The next prime is 148810997. The reversal of 148810978 is 879018841.

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 7 ways as a sum of consecutive naturals, for example, 250650 + ... + 251242.

It is an arithmetic number, because the mean of its divisors is an integer number (14056416).

Almost surely, 2^148810978 is an apocalyptic number.

148810978 is a deficient number, since it is larger than the sum of its proper divisors (76091678).

148810978 is a wasteful number, since it uses less digits than its factorization.

148810978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329.

The product of its (nonzero) digits is 129024, while the sum is 46.

The square root of 148810978 is about 12198.8105157839. The cubic root of 148810978 is about 529.9216426226.

The spelling of 148810978 in words is "one hundred forty-eight million, eight hundred ten thousand, nine hundred seventy-eight".