149503392 has 72 divisors (see below), whose sum is σ = 430597440. Its totient is φ = 49196160.

The previous prime is 149503391. The next prime is 149503399. The reversal of 149503392 is 293305941.

It is a happy number.

149503392 is a `hidden beast` number, since 149 + 503 + 3 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (149503391) 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 11 ways as a sum of consecutive naturals, for example, 19467 + ... + 26037.

It is an arithmetic number, because the mean of its divisors is an integer number (5980520).

Almost surely, 2^149503392 is an apocalyptic number.

149503392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149503392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215298720).

149503392 is an abundant number, since it is smaller than the sum of its proper divisors (281094048).

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

149503392 is a wasteful number, since it uses less digits than its factorization.

149503392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6666 (or 6655 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 149503392 is about 12227.1579690458. The cubic root of 149503392 is about 530.7422754766.

The spelling of 149503392 in words is "one hundred forty-nine million, five hundred three thousand, three hundred ninety-two".