149400064 has 80 divisors (see below), whose sum is σ = 334103616. Its totient is φ = 66150400.

The previous prime is 149400049. The next prime is 149400073. The reversal of 149400064 is 460004941.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 230589 + ... + 231235.

Almost surely, 2^149400064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149400064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167051808).

149400064 is an abundant number, since it is smaller than the sum of its proper divisors (184703552).

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

149400064 is an equidigital number, since it uses as much as digits as its factorization.

149400064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 149400064 is about 12222.9318905081. The cubic root of 149400064 is about 530.6199746241.

The spelling of 149400064 in words is "one hundred forty-nine million, four hundred thousand, sixty-four".