146172192 has 48 divisors (see below), whose sum is σ = 396087552. Its totient is φ = 47151360.

The previous prime is 146172139. The next prime is 146172193. The reversal of 146172192 is 291271641.

It is a happy number.

146172192 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (146172193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21583 + ... + 27534.

It is an arithmetic number, because the mean of its divisors is an integer number (8251824).

Almost surely, 2^146172192 is an apocalyptic number.

146172192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

146172192 is an abundant number, since it is smaller than the sum of its proper divisors (249915360).

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

146172192 is a wasteful number, since it uses less digits than its factorization.

146172192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49161 (or 49153 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 146172192 is about 12090.1692295848. The cubic root of 146172192 is about 526.7706707669.

The spelling of 146172192 in words is "one hundred forty-six million, one hundred seventy-two thousand, one hundred ninety-two".