149078 has 8 divisors (see below), whose sum is σ = 225720. Its totient is φ = 73840.

The previous prime is 149077. The next prime is 149087. The reversal of 149078 is 870941.

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 149078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23 + ... + 546.

It is an arithmetic number, because the mean of its divisors is an integer number (28215).

2¹⁴⁹⁰⁷⁸ is an apocalyptic number.

149078 is a deficient number, since it is larger than the sum of its proper divisors (76642).

149078 is a wasteful number, since it uses less digits than its factorization.

149078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 149078 is about 386.1062030064. The cubic root of 149078 is about 53.0238411784.

The spelling of 149078 in words is "one hundred forty-nine thousand, seventy-eight".