148891670 has 16 divisors (see below), whose sum is σ = 268496208. Its totient is φ = 59447520.

The previous prime is 148891669. The next prime is 148891693. The reversal of 148891670 is 76198841.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7796 + ... + 18935.

It is an arithmetic number, because the mean of its divisors is an integer number (16781013).

Almost surely, 2^148891670 is an apocalyptic number.

148891670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148891670 is a deficient number, since it is larger than the sum of its proper divisors (119604538).

148891670 is a wasteful number, since it uses less digits than its factorization.

148891670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27295.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 148891670 is about 12202.1174391988. The cubic root of 148891670 is about 530.0174077586.

The spelling of 148891670 in words is "one hundred forty-eight million, eight hundred ninety-one thousand, six hundred seventy".