16145992 has 8 divisors (see below), whose sum is σ = 30273750. Its totient is φ = 8072992.

The previous prime is 16145963. The next prime is 16145993. The reversal of 16145992 is 29954161.

It can be written as a sum of positive squares in only one way, i.e., 8561476 + 7584516 = 2926^2 + 2754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (16145993) by changing a digit.

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 as a sum of consecutive naturals, namely, 1009117 + ... + 1009132.

Almost surely, 2^16145992 is an apocalyptic number.

It is an amenable number.

16145992 is a deficient number, since it is larger than the sum of its proper divisors (14127758).

16145992 is a wasteful number, since it uses less digits than its factorization.

16145992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018255 (or 2018251 counting only the distinct ones).

The product of its digits is 19440, while the sum is 37.

The square root of 16145992 is about 4018.2075605922. The cubic root of 16145992 is about 252.7483006627.

The spelling of 16145992 in words is "sixteen million, one hundred forty-five thousand, nine hundred ninety-two".