142154530 has 64 divisors (see below), whose sum is σ = 305141760. Its totient is φ = 46656000.

The previous prime is 142154521. The next prime is 142154531. The reversal of 142154530 is 35451241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 142154495 and 142154504.

It is not an unprimeable number, because it can be changed into a prime (142154531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236230 + ... + 236830.

It is an arithmetic number, because the mean of its divisors is an integer number (4767840).

Almost surely, 2^142154530 is an apocalyptic number.

142154530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142154530 is an abundant number, since it is smaller than the sum of its proper divisors (162987230).

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

142154530 is a wasteful number, since it uses less digits than its factorization.

142154530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 142154530 is about 11922.8574595187. The cubic root of 142154530 is about 521.8995246103.

The spelling of 142154530 in words is "one hundred forty-two million, one hundred fifty-four thousand, five hundred thirty".