149020192 has 48 divisors (see below), whose sum is σ = 312651360. Its totient is φ = 69714432.

The previous prime is 149020189. The next prime is 149020217. The reversal of 149020192 is 291020941.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 149020192.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48988 + ... + 51940.

It is an arithmetic number, because the mean of its divisors is an integer number (6513570).

Almost surely, 2^149020192 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 149020192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156325680).

149020192 is an abundant number, since it is smaller than the sum of its proper divisors (163631168).

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

149020192 is a wasteful number, since it uses less digits than its factorization.

149020192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065 (or 3057 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 149020192 is about 12207.3826842612. The cubic root of 149020192 is about 530.1698660454.

The spelling of 149020192 in words is "one hundred forty-nine million, twenty thousand, one hundred ninety-two".