16145740 has 24 divisors (see below), whose sum is σ = 36514800. Its totient is φ = 5961408.

The previous prime is 16145737. The next prime is 16145777. The reversal of 16145740 is 4754161.

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 16145699 and 16145708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30790 + ... + 31309.

It is an arithmetic number, because the mean of its divisors is an integer number (1521450).

Almost surely, 2^16145740 is an apocalyptic number.

16145740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16145740 is an abundant number, since it is smaller than the sum of its proper divisors (20369060).

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

16145740 is a wasteful number, since it uses less digits than its factorization.

16145740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62121 (or 62119 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 16145740 is about 4018.1762032046. The cubic root of 16145740 is about 252.7469857254.

It can be divided in two parts, 1614 and 5740, that multiplied together give a triangular number (9264360 = T₄₃₀₄).

The spelling of 16145740 in words is "sixteen million, one hundred forty-five thousand, seven hundred forty".