149003374178 has 4 divisors (see below), whose sum is σ = 223505061270. Its totient is φ = 74501687088.

The previous prime is 149003374159. The next prime is 149003374181. The reversal of 149003374178 is 871473300941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 871473300941 = 19 ⋅45867015839.

It can be written as a sum of positive squares in only one way, i.e., 131433076369 + 17570297809 = 362537^2 + 132553^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37250843543 + ... + 37250843546.

Almost surely, 2^149003374178 is an apocalyptic number.

149003374178 is a deficient number, since it is larger than the sum of its proper divisors (74501687092).

149003374178 is an equidigital number, since it uses as much as digits as its factorization.

149003374178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74501687091.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 149003374178 in words is "one hundred forty-nine billion, three million, three hundred seventy-four thousand, one hundred seventy-eight".