142555500 has 144 divisors (see below), whose sum is σ = 456543360. Its totient is φ = 37440000.

The previous prime is 142555493. The next prime is 142555507. The reversal of 142555500 is 5555241.

It is an interprime number because it is at equal distance from previous prime (142555493) and next prime (142555507).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142555507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355300 + ... + 355700.

It is an arithmetic number, because the mean of its divisors is an integer number (3170440).

Almost surely, 2^142555500 is an apocalyptic number.

142555500 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 142555500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228271680).

142555500 is an abundant number, since it is smaller than the sum of its proper divisors (313987860).

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

142555500 is a wasteful number, since it uses less digits than its factorization.

142555500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 142555500 is about 11939.6607992020. The cubic root of 142555500 is about 522.3897648294.

The spelling of 142555500 in words is "one hundred forty-two million, five hundred fifty-five thousand, five hundred".