149546436 has 48 divisors (see below), whose sum is σ = 377806464. Its totient is φ = 45766656.

The previous prime is 149546429. The next prime is 149546477. The reversal of 149546436 is 634645941.

It is a happy number.

149546436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27625 + ... + 32591.

It is an arithmetic number, because the mean of its divisors is an integer number (7870968).

Almost surely, 2^149546436 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 149546436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188903232).

149546436 is an abundant number, since it is smaller than the sum of its proper divisors (228260028).

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

149546436 is a wasteful number, since it uses less digits than its factorization.

149546436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5180 (or 5178 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 149546436 is about 12228.9180224581. The cubic root of 149546436 is about 530.7932064913.

The spelling of 149546436 in words is "one hundred forty-nine million, five hundred forty-six thousand, four hundred thirty-six".