148612430878478 has 48 divisors (see below), whose sum is σ = 274635593934480. Its totient is φ = 59929591954176.

The previous prime is 148612430878469. The next prime is 148612430878489. The reversal of 148612430878478 is 874878034216841.

It is a super-2 number, since 2×148612430878478² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4402025 + ... + 17793332.

It is an arithmetic number, because the mean of its divisors is an integer number (5721574873635).

Almost surely, 2^{148612430878478} is an apocalyptic number.

148612430878478 is a deficient number, since it is larger than the sum of its proper divisors (126023163056002).

148612430878478 is a wasteful number, since it uses less digits than its factorization.

148612430878478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22199409 (or 22199402 counting only the distinct ones).

The product of its (nonzero) digits is 462422016, while the sum is 71.

The spelling of 148612430878478 in words is "one hundred forty-eight trillion, six hundred twelve billion, four hundred thirty million, eight hundred seventy-eight thousand, four hundred seventy-eight".