148509794 has 16 divisors (see below), whose sum is σ = 227105856. Its totient is φ = 72822000.

The previous prime is 148509787. The next prime is 148509797. The reversal of 148509794 is 497905841.

It is not an unprimeable number, because it can be changed into a prime (148509797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18179 + ... + 25049.

It is an arithmetic number, because the mean of its divisors is an integer number (14194116).

Almost surely, 2^148509794 is an apocalyptic number.

148509794 is a deficient number, since it is larger than the sum of its proper divisors (78596062).

148509794 is a wasteful number, since it uses less digits than its factorization.

148509794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7081.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 148509794 is about 12186.4594530159. The cubic root of 148509794 is about 529.5638918718.

The spelling of 148509794 in words is "one hundred forty-eight million, five hundred nine thousand, seven hundred ninety-four".