149678416 has 40 divisors (see below), whose sum is σ = 300449024. Its totient is φ = 72161280.

The previous prime is 149678407. The next prime is 149678479. The reversal of 149678416 is 614876941.

149678416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259120 + ... + 259696.

Almost surely, 2^149678416 is an apocalyptic number.

149678416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149678416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150224512).

149678416 is an abundant number, since it is smaller than the sum of its proper divisors (150770608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149678416 is a wasteful number, since it uses less digits than its factorization.

149678416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1133 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 149678416 is about 12234.3130579530. The cubic root of 149678416 is about 530.9493084820.

The spelling of 149678416 in words is "one hundred forty-nine million, six hundred seventy-eight thousand, four hundred sixteen".