142516540 has 12 divisors (see below), whose sum is σ = 299284776. Its totient is φ = 57006608.

The previous prime is 142516537. The next prime is 142516541. The reversal of 142516540 is 45615241.

142516540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142516499 and 142516508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142516541) 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, 3562894 + ... + 3562933.

It is an arithmetic number, because the mean of its divisors is an integer number (24940398).

Almost surely, 2^142516540 is an apocalyptic number.

142516540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142516540 is an abundant number, since it is smaller than the sum of its proper divisors (156768236).

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

142516540 is a wasteful number, since it uses less digits than its factorization.

142516540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7125836 (or 7125834 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 142516540 is about 11938.0291505759. The cubic root of 142516540 is about 522.3421712966.

The spelling of 142516540 in words is "one hundred forty-two million, five hundred sixteen thousand, five hundred forty".