16142290 has 8 divisors (see below), whose sum is σ = 29056140. Its totient is φ = 6456912.

The previous prime is 16142279. The next prime is 16142293. The reversal of 16142290 is 9224161.

It can be written as a sum of positive squares in 2 ways, for example, as 15705369 + 436921 = 3963^2 + 661^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16142293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807105 + ... + 807124.

Almost surely, 2^16142290 is an apocalyptic number.

16142290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16142290 is a deficient number, since it is larger than the sum of its proper divisors (12913850).

16142290 is a wasteful number, since it uses less digits than its factorization.

16142290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614236.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 16142290 is about 4017.7468810267. The cubic root of 16142290 is about 252.7289822310.

The spelling of 16142290 in words is "sixteen million, one hundred forty-two thousand, two hundred ninety".