142644960 has 144 divisors (see below), whose sum is σ = 515498256. Its totient is φ = 35794944.

The previous prime is 142644959. The next prime is 142644961. The reversal of 142644960 is 69446241.

142644960 is a `hidden beast` number, since 1 + 4 + 2 + 644 + 9 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (142644959) and next prime (142644961).

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×142644960² = 40695169226803200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142644961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21567 + ... + 27393.

It is an arithmetic number, because the mean of its divisors is an integer number (3579849).

Almost surely, 2^142644960 is an apocalyptic number.

142644960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142644960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257749128).

142644960 is an abundant number, since it is smaller than the sum of its proper divisors (372853296).

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

142644960 is a wasteful number, since it uses less digits than its factorization.

142644960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865 (or 5854 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 142644960 is about 11943.4065492220. The cubic root of 142644960 is about 522.4990163516.

The spelling of 142644960 in words is "one hundred forty-two million, six hundred forty-four thousand, nine hundred sixty".