145857192 has 32 divisors (see below), whose sum is σ = 392693280. Its totient is φ = 44879040.

The previous prime is 145857181. The next prime is 145857193. The reversal of 145857192 is 291758541.

It is not an unprimeable number, because it can be changed into a prime (145857193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233434 + ... + 234057.

It is an arithmetic number, because the mean of its divisors is an integer number (12271665).

Almost surely, 2^145857192 is an apocalyptic number.

145857192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145857192 is an abundant number, since it is smaller than the sum of its proper divisors (246836088).

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

145857192 is a wasteful number, since it uses less digits than its factorization.

145857192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467513 (or 467509 counting only the distinct ones).

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

The square root of 145857192 is about 12077.1350907407. The cubic root of 145857192 is about 526.3920029858.

The spelling of 145857192 in words is "one hundred forty-five million, eight hundred fifty-seven thousand, one hundred ninety-two".