148991006 has 4 divisors (see below), whose sum is σ = 223486512. Its totient is φ = 74495502.

The previous prime is 148990999. The next prime is 148991023. The reversal of 148991006 is 600199841.

It is a happy number.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 37247750 + ... + 37247753.

It is an arithmetic number, because the mean of its divisors is an integer number (55871628).

Almost surely, 2^148991006 is an apocalyptic number.

148991006 is a deficient number, since it is larger than the sum of its proper divisors (74495506).

148991006 is an equidigital number, since it uses as much as digits as its factorization.

148991006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74495505.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 148991006 is about 12206.1872015794. The cubic root of 148991006 is about 530.1352520606.

The spelling of 148991006 in words is "one hundred forty-eight million, nine hundred ninety-one thousand, six".