148698478 has 8 divisors (see below), whose sum is σ = 225347472. Its totient is φ = 73582656.

The previous prime is 148698437. The next prime is 148698479. The reversal of 148698478 is 874896841.

It is a happy number.

148698478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×148698478² = 44222474719032968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148698479) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 383050 + ... + 383437.

It is an arithmetic number, because the mean of its divisors is an integer number (28168434).

Almost surely, 2^148698478 is an apocalyptic number.

148698478 is a deficient number, since it is larger than the sum of its proper divisors (76648994).

148698478 is an equidigital number, since it uses as much as digits as its factorization.

148698478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766586.

The product of its digits is 3096576, while the sum is 55.

The square root of 148698478 is about 12194.1985386494. The cubic root of 148698478 is about 529.7880700080.

The spelling of 148698478 in words is "one hundred forty-eight million, six hundred ninety-eight thousand, four hundred seventy-eight".