148378018550 has 12 divisors (see below), whose sum is σ = 275983114596. Its totient is φ = 59351207400.

The previous prime is 148378018511. The next prime is 148378018601. The reversal of 148378018550 is 55810873841.

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 2967560371 = 148378018550 / (1 + 4 + 8 + 3 + 7 + 8 + 0 + 1 + 8 + 5 + 5 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1483780136 + ... + 1483780235.

It is an arithmetic number, because the mean of its divisors is an integer number (22998592883).

Almost surely, 2^148378018550 is an apocalyptic number.

148378018550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148378018550 is a deficient number, since it is larger than the sum of its proper divisors (127605096046).

148378018550 is a wasteful number, since it uses less digits than its factorization.

148378018550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967560383 (or 2967560378 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 148378018550 in words is "one hundred forty-eight billion, three hundred seventy-eight million, eighteen thousand, five hundred fifty".