149380616 has 96 divisors (see below), whose sum is σ = 360002880. Its totient is φ = 57624000.

The previous prime is 149380613. The next prime is 149380639. The reversal of 149380616 is 616083941.

It is a self number, because there is not a number n which added to its sum of digits gives 149380616.

It is not an unprimeable number, because it can be changed into a prime (149380613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1478966 + ... + 1479066.

It is an arithmetic number, because the mean of its divisors is an integer number (3750030).

Almost surely, 2^149380616 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 149380616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180001440).

149380616 is an abundant number, since it is smaller than the sum of its proper divisors (210622264).

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

149380616 is an equidigital number, since it uses as much as digits as its factorization.

149380616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 149380616 is about 12222.1363108092. The cubic root of 149380616 is about 530.5969493214.

The spelling of 149380616 in words is "one hundred forty-nine million, three hundred eighty thousand, six hundred sixteen".