154774134648 has 48 divisors (see below), whose sum is σ = 479062799280. Its totient is φ = 44221181184.

The previous prime is 154774134607. The next prime is 154774134661. The reversal of 154774134648 is 846431477451.

154774134648 is a `hidden beast` number, since 1 + 547 + 7 + 4 + 1 + 34 + 64 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 154774134594 and 154774134603.

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 11 ways as a sum of consecutive naturals, for example, 153545265 + ... + 153546272.

It is an arithmetic number, because the mean of its divisors is an integer number (9980474985).

Almost surely, 2^154774134648 is an apocalyptic number.

154774134648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

154774134648 is an abundant number, since it is smaller than the sum of its proper divisors (324288664632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154774134648 is a wasteful number, since it uses less digits than its factorization.

154774134648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307091556 (or 307091549 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 54.

The spelling of 154774134648 in words is "one hundred fifty-four billion, seven hundred seventy-four million, one hundred thirty-four thousand, six hundred forty-eight".