145757860 has 24 divisors (see below), whose sum is σ = 307976256. Its totient is φ = 57944160.

The previous prime is 145757851. The next prime is 145757867. The reversal of 145757860 is 68757541.

It is not an unprimeable number, because it can be changed into a prime (145757867) 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, 19096 + ... + 25615.

It is an arithmetic number, because the mean of its divisors is an integer number (12832344).

Almost surely, 2^145757860 is an apocalyptic number.

145757860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145757860 is an abundant number, since it is smaller than the sum of its proper divisors (162218396).

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

145757860 is a wasteful number, since it uses less digits than its factorization.

145757860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44883 (or 44881 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 145757860 is about 12073.0219912000. The cubic root of 145757860 is about 526.2724809522.

The spelling of 145757860 in words is "one hundred forty-five million, seven hundred fifty-seven thousand, eight hundred sixty".