145175892 has 12 divisors (see below), whose sum is σ = 338743776. Its totient is φ = 48391960.

The previous prime is 145175879. The next prime is 145175917. The reversal of 145175892 is 298571541.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 6048984 + ... + 6049007.

It is an arithmetic number, because the mean of its divisors is an integer number (28228648).

Almost surely, 2^145175892 is an apocalyptic number.

145175892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145175892 is an abundant number, since it is smaller than the sum of its proper divisors (193567884).

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

145175892 is a wasteful number, since it uses less digits than its factorization.

145175892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12097998 (or 12097996 counting only the distinct ones).

The product of its digits is 100800, while the sum is 42.

The square root of 145175892 is about 12048.8958830260. The cubic root of 145175892 is about 525.5711299355.

The spelling of 145175892 in words is "one hundred forty-five million, one hundred seventy-five thousand, eight hundred ninety-two".