149005896 has 64 divisors (see below), whose sum is σ = 408784320. Its totient is φ = 44977920.

The previous prime is 149005873. The next prime is 149005907. The reversal of 149005896 is 698500941.

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 15 ways as a sum of consecutive naturals, for example, 12031 + ... + 21041.

It is an arithmetic number, because the mean of its divisors is an integer number (6387255).

Almost surely, 2^149005896 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 149005896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204392160).

149005896 is an abundant number, since it is smaller than the sum of its proper divisors (259778424).

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

149005896 is a wasteful number, since it uses less digits than its factorization.

149005896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9086 (or 9082 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 149005896 is about 12206.7971229148. The cubic root of 149005896 is about 530.1529118536.

The spelling of 149005896 in words is "one hundred forty-nine million, five thousand, eight hundred ninety-six".