149032992 has 48 divisors (see below), whose sum is σ = 395629920. Its totient is φ = 49116672.

The previous prime is 149032957. The next prime is 149033011. The reversal of 149032992 is 299230941.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 149032992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178 + ... + 17265.

It is an arithmetic number, because the mean of its divisors is an integer number (8242290).

Almost surely, 2^149032992 is an apocalyptic number.

149032992 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 149032992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197814960).

149032992 is an abundant number, since it is smaller than the sum of its proper divisors (246596928).

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

149032992 is a wasteful number, since it uses less digits than its factorization.

149032992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17545 (or 17537 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 149032992 is about 12207.9069459101. The cubic root of 149032992 is about 530.1850451517.

The spelling of 149032992 in words is "one hundred forty-nine million, thirty-two thousand, nine hundred ninety-two".