16157345 has 8 divisors (see below), whose sum is σ = 19913064. Its totient is φ = 12576384.

The previous prime is 16157329. The next prime is 16157347. The reversal of 16157345 is 54375161.

16157345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2289169 + 13868176 = 1513^2 + 3724^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16157345 - 2⁴ = 16157329 is a prime.

It is a super-2 number, since 2×16157345² = 522119594898050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16157347) 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, 43484 + ... + 43853.

It is an arithmetic number, because the mean of its divisors is an integer number (2489133).

Almost surely, 2^16157345 is an apocalyptic number.

It is an amenable number.

16157345 is a deficient number, since it is larger than the sum of its proper divisors (3755719).

16157345 is an equidigital number, since it uses as much as digits as its factorization.

16157345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87379.

The product of its digits is 12600, while the sum is 32.

The square root of 16157345 is about 4019.6200069161. The cubic root of 16157345 is about 252.8075264894.

The spelling of 16157345 in words is "sixteen million, one hundred fifty-seven thousand, three hundred forty-five".