149000378 has 8 divisors (see below), whose sum is σ = 225132372. Its totient is φ = 73956256.

The previous prime is 149000363. The next prime is 149000431. The reversal of 149000378 is 873000941.

It can be written as a sum of positive squares in 2 ways, for example, as 132411049 + 16589329 = 11507^2 + 4073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×149000378² = 44402225288285768, which contains 22 as substring.

It is a Curzon number.

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, 271625 + ... + 272172.

Almost surely, 2^149000378 is an apocalyptic number.

149000378 is a deficient number, since it is larger than the sum of its proper divisors (76131994).

149000378 is a wasteful number, since it uses less digits than its factorization.

149000378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543936.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 149000378 is about 12206.5710992072. The cubic root of 149000378 is about 530.1463675490.

The spelling of 149000378 in words is "one hundred forty-nine million, three hundred seventy-eight", and thus it is an aban number.