149825378 has 8 divisors (see below), whose sum is σ = 229519872. Its totient is φ = 73318756.

The previous prime is 149825353. The next prime is 149825399. The reversal of 149825378 is 873528941.

It is a happy number.

149825378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (47).

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, 796850 + ... + 797037.

It is an arithmetic number, because the mean of its divisors is an integer number (28689984).

Almost surely, 2^149825378 is an apocalyptic number.

149825378 is a deficient number, since it is larger than the sum of its proper divisors (79694494).

149825378 is a wasteful number, since it uses less digits than its factorization.

149825378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593936.

The product of its digits is 483840, while the sum is 47.

The square root of 149825378 is about 12240.3177246344. The cubic root of 149825378 is about 531.1230227924.

The spelling of 149825378 in words is "one hundred forty-nine million, eight hundred twenty-five thousand, three hundred seventy-eight".