149478016 has 32 divisors (see below), whose sum is σ = 313466400. Its totient is φ = 70804224.

The previous prime is 149478013. The next prime is 149478023. The reversal of 149478016 is 610874941.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 149478016.

It is not an unprimeable number, because it can be changed into a prime (149478013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28300 + ... + 33163.

It is an arithmetic number, because the mean of its divisors is an integer number (9795825).

Almost surely, 2^149478016 is an apocalyptic number.

149478016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

149478016 is an abundant number, since it is smaller than the sum of its proper divisors (163988384).

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

149478016 is an equidigital number, since it uses as much as digits as its factorization.

149478016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61496 (or 61484 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 149478016 is about 12226.1202349723. The cubic root of 149478016 is about 530.7122452147.

The spelling of 149478016 in words is "one hundred forty-nine million, four hundred seventy-eight thousand, sixteen".