149452436 has 48 divisors (see below), whose sum is σ = 313528320. Its totient is φ = 60947040.

The previous prime is 149452409. The next prime is 149452441. The reversal of 149452436 is 634254941.

It is a self number, because there is not a number n which added to its sum of digits gives 149452436.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 153431 + ... + 154401.

It is an arithmetic number, because the mean of its divisors is an integer number (6531840).

Almost surely, 2^149452436 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 149452436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156764160).

149452436 is an abundant number, since it is smaller than the sum of its proper divisors (164075884).

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

149452436 is a wasteful number, since it uses less digits than its factorization.

149452436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244 (or 1242 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 149452436 is about 12225.0740693053. The cubic root of 149452436 is about 530.6819700967.

The spelling of 149452436 in words is "one hundred forty-nine million, four hundred fifty-two thousand, four hundred thirty-six".