154768920388 has 12 divisors (see below), whose sum is σ = 285100642960. Its totient is φ = 73311593832.

The previous prime is 154768920373. The next prime is 154768920403. The reversal of 154768920388 is 883029867451.

It is an interprime number because it is at equal distance from previous prime (154768920373) and next prime (154768920403).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018216506 + ... + 1018216657.

It is a 1-persistent number, because it is pandigital, but 2⋅154768920388 = 309537840776 is not.

Almost surely, 2^154768920388 is an apocalyptic number.

It is an amenable number.

154768920388 is a deficient number, since it is larger than the sum of its proper divisors (130331722572).

154768920388 is a wasteful number, since it uses less digits than its factorization.

154768920388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036433186 (or 2036433184 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 154768920388 in words is "one hundred fifty-four billion, seven hundred sixty-eight million, nine hundred twenty thousand, three hundred eighty-eight".