148891964 has 24 divisors (see below), whose sum is σ = 283098480. Its totient is φ = 68108544.

The previous prime is 148891943. The next prime is 148891979. The reversal of 148891964 is 469198841.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6794 + ... + 18545.

It is an arithmetic number, because the mean of its divisors is an integer number (11795770).

Almost surely, 2^148891964 is an apocalyptic number.

It is an amenable number.

148891964 is a deficient number, since it is larger than the sum of its proper divisors (134206516).

148891964 is a wasteful number, since it uses less digits than its factorization.

148891964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25469 (or 25467 counting only the distinct ones).

The product of its digits is 497664, while the sum is 50.

The square root of 148891964 is about 12202.1294862823. The cubic root of 148891964 is about 530.0177566141.

The spelling of 148891964 in words is "one hundred forty-eight million, eight hundred ninety-one thousand, nine hundred sixty-four".