149078016 has 120 divisors (see below), whose sum is σ = 443009840. Its totient is φ = 49545216.

The previous prime is 149077997. The next prime is 149078023. The reversal of 149078016 is 610870941.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442200 + ... + 442536.

Almost surely, 2^149078016 is an apocalyptic number.

149078016 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 149078016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221504920).

149078016 is an abundant number, since it is smaller than the sum of its proper divisors (293931824).

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

149078016 is an frugal number, since it uses more digits than its factorization.

149078016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 149078016 is about 12209.7508574090. The cubic root of 149078016 is about 530.2384307537.

The spelling of 149078016 in words is "one hundred forty-nine million, seventy-eight thousand, sixteen".