142163264 has 14 divisors (see below), whose sum is σ = 282105354. Its totient is φ = 71081600.

The previous prime is 142163243. The next prime is 142163267. The reversal of 142163264 is 462361241.

It can be written as a sum of positive squares in only one way, i.e., 137358400 + 4804864 = 11720^2 + 2192^2 .

It is a super-2 number, since 2×142163264² = 40420787262267392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142163267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110587 + ... + 1110714.

Almost surely, 2^142163264 is an apocalyptic number.

It is an amenable number.

142163264 is a deficient number, since it is larger than the sum of its proper divisors (139942090).

142163264 is an equidigital number, since it uses as much as digits as its factorization.

142163264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221313 (or 2221303 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 142163264 is about 11923.2237251508. The cubic root of 142163264 is about 521.9102129251.

The spelling of 142163264 in words is "one hundred forty-two million, one hundred sixty-three thousand, two hundred sixty-four".