148809790 has 8 divisors (see below), whose sum is σ = 267857640. Its totient is φ = 59523912.

The previous prime is 148809779. The next prime is 148809797. The reversal of 148809790 is 97908841.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 148809790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148809797) 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, 7440480 + ... + 7440499.

It is an arithmetic number, because the mean of its divisors is an integer number (33482205).

Almost surely, 2^148809790 is an apocalyptic number.

148809790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148809790 is a deficient number, since it is larger than the sum of its proper divisors (119047850).

148809790 is a wasteful number, since it uses less digits than its factorization.

148809790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14880986.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 148809790 is about 12198.7618224146. The cubic root of 148809790 is about 529.9202324476.

The spelling of 148809790 in words is "one hundred forty-eight million, eight hundred nine thousand, seven hundred ninety".