148917974 has 8 divisors (see below), whose sum is σ = 223805640. Its totient is φ = 74316096.

The previous prime is 148917959. The next prime is 148917983. The reversal of 148917974 is 479719841.

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

It is a Curzon number.

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 in 3 ways as a sum of consecutive naturals, for example, 70139 + ... + 72230.

It is an arithmetic number, because the mean of its divisors is an integer number (27975705).

Almost surely, 2^148917974 is an apocalyptic number.

148917974 is a deficient number, since it is larger than the sum of its proper divisors (74887666).

148917974 is a wasteful number, since it uses less digits than its factorization.

148917974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142894.

The product of its digits is 508032, while the sum is 50.

The square root of 148917974 is about 12203.1952373139. The cubic root of 148917974 is about 530.0486178256.

The spelling of 148917974 in words is "one hundred forty-eight million, nine hundred seventeen thousand, nine hundred seventy-four".