145714660 has 144 divisors (see below), whose sum is σ = 399764736. Its totient is φ = 43363584.

The previous prime is 145714609. The next prime is 145714687. The reversal of 145714660 is 66417541.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2469711 + ... + 2469769.

It is an arithmetic number, because the mean of its divisors is an integer number (2776144).

Almost surely, 2^145714660 is an apocalyptic number.

145714660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145714660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199882368).

145714660 is an abundant number, since it is smaller than the sum of its proper divisors (254050076).

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

145714660 is a wasteful number, since it uses less digits than its factorization.

145714660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 145714660 is about 12071.2327456644. The cubic root of 145714660 is about 526.2204832586.

The spelling of 145714660 in words is "one hundred forty-five million, seven hundred fourteen thousand, six hundred sixty".