148642906 has 8 divisors (see below), whose sum is σ = 223453620. Its totient is φ = 74158368.

The previous prime is 148642877. The next prime is 148642913. The reversal of 148642906 is 609246841.

It can be written as a sum of positive squares in 2 ways, for example, as 122213025 + 26429881 = 11055^2 + 5141^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80401 + ... + 82228.

Almost surely, 2^148642906 is an apocalyptic number.

148642906 is a deficient number, since it is larger than the sum of its proper divisors (74810714).

148642906 is a wasteful number, since it uses less digits than its factorization.

148642906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163088.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 148642906 is about 12191.9197011791. The cubic root of 148642906 is about 529.7220638381.

The spelling of 148642906 in words is "one hundred forty-eight million, six hundred forty-two thousand, nine hundred six".