142211465 has 16 divisors (see below), whose sum is σ = 186399360. Its totient is φ = 103297920.

The previous prime is 142211429. The next prime is 142211479. The reversal of 142211465 is 564112241.

It is not a de Polignac number, because 142211465 - 2²² = 138017161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87581 + ... + 89189.

It is an arithmetic number, because the mean of its divisors is an integer number (11649960).

Almost surely, 2^142211465 is an apocalyptic number.

It is an amenable number.

142211465 is a deficient number, since it is larger than the sum of its proper divisors (44187895).

142211465 is a wasteful number, since it uses less digits than its factorization.

142211465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232.

The product of its digits is 1920, while the sum is 26.

The square root of 142211465 is about 11925.2448612177. The cubic root of 142211465 is about 521.9691914799.

The spelling of 142211465 in words is "one hundred forty-two million, two hundred eleven thousand, four hundred sixty-five".