142227464 has 16 divisors (see below), whose sum is σ = 280712400. Its totient is φ = 67370832.

The previous prime is 142227419. The next prime is 142227467. The reversal of 142227464 is 464722241.

It is a self number, because there is not a number n which added to its sum of digits gives 142227464.

It is not an unprimeable number, because it can be changed into a prime (142227467) 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, 467702 + ... + 468005.

It is an arithmetic number, because the mean of its divisors is an integer number (17544525).

Almost surely, 2^142227464 is an apocalyptic number.

It is an amenable number.

142227464 is a deficient number, since it is larger than the sum of its proper divisors (138484936).

142227464 is a wasteful number, since it uses less digits than its factorization.

142227464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935732 (or 935728 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 142227464 is about 11925.9156461883. The cubic root of 142227464 is about 521.9887648478.

The spelling of 142227464 in words is "one hundred forty-two million, two hundred twenty-seven thousand, four hundred sixty-four".