142327740 has 48 divisors (see below), whose sum is σ = 421962912. Its totient is φ = 35721216.

The previous prime is 142327711. The next prime is 142327747. The reversal of 142327740 is 47723241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 142327698 and 142327707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142327747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68749 + ... + 70788.

It is an arithmetic number, because the mean of its divisors is an integer number (8790894).

Almost surely, 2^142327740 is an apocalyptic number.

142327740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142327740 is an abundant number, since it is smaller than the sum of its proper divisors (279635172).

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

142327740 is a wasteful number, since it uses less digits than its factorization.

142327740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139566 (or 139564 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 142327740 is about 11930.1190270676. The cubic root of 142327740 is about 522.1114102859. Note that the first 3 decimals are identical.

The spelling of 142327740 in words is "one hundred forty-two million, three hundred twenty-seven thousand, seven hundred forty".