148867474858778 has 64 divisors (see below), whose sum is σ = 242763998400000. Its totient is φ = 68057715339264.

The previous prime is 148867474858727. The next prime is 148867474858799. The reversal of 148867474858778 is 877858474768841.

It is a super-2 number, since 2×148867474858778² (a number of 29 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 3317062943 + ... + 3317107821.

It is an arithmetic number, because the mean of its divisors is an integer number (3793187475000).

Almost surely, 2^{148867474858778} is an apocalyptic number.

148867474858778 is a deficient number, since it is larger than the sum of its proper divisors (93896523541222).

148867474858778 is a wasteful number, since it uses less digits than its factorization.

148867474858778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47399.

The product of its digits is 151057858560, while the sum is 92.

The spelling of 148867474858778 in words is "one hundred forty-eight trillion, eight hundred sixty-seven billion, four hundred seventy-four million, eight hundred fifty-eight thousand, seven hundred seventy-eight".