142362144 has 48 divisors (see below), whose sum is σ = 415225440. Its totient is φ = 47453760.

The previous prime is 142362133. The next prime is 142362149. The reversal of 142362144 is 441263241.

It is a happy number.

142362144 is a `hidden beast` number, since 14 + 23 + 621 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (142362149) 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, 81522 + ... + 83249.

It is an arithmetic number, because the mean of its divisors is an integer number (8650530).

Almost surely, 2^142362144 is an apocalyptic number.

It is an amenable number.

142362144 is an abundant number, since it is smaller than the sum of its proper divisors (272863296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142362144 is a wasteful number, since it uses less digits than its factorization.

142362144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164790 (or 164776 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 142362144 is about 11931.5608367053. The cubic root of 142362144 is about 522.1534758121.

The spelling of 142362144 in words is "one hundred forty-two million, three hundred sixty-two thousand, one hundred forty-four".