142054500 has 192 divisors, whose sum is σ = 481388544. Its totient is φ = 31881600.

The previous prime is 142054489. The next prime is 142054501. The reversal of 142054500 is 5450241.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (142054501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 871419 + ... + 871581.

It is an arithmetic number, because the mean of its divisors is an integer number (2507232).

Almost surely, 2^142054500 is an apocalyptic number.

142054500 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 142054500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240694272).

142054500 is an abundant number, since it is smaller than the sum of its proper divisors (339334044).

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

142054500 is a wasteful number, since it uses less digits than its factorization.

142054500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 142054500 is about 11918.6618376393. The cubic root of 142054500 is about 521.7770807238. Note that the first 3 decimals are identical.

The spelling of 142054500 in words is "one hundred forty-two million, fifty-four thousand, five hundred".