142355400 has 96 divisors (see below), whose sum is σ = 481442400. Its totient is φ = 34508800.

The previous prime is 142355383. The next prime is 142355419. The reversal of 142355400 is 4553241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4185 + ... + 17384.

It is an arithmetic number, because the mean of its divisors is an integer number (5015025).

Almost surely, 2^142355400 is an apocalyptic number.

142355400 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 142355400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240721200).

142355400 is an abundant number, since it is smaller than the sum of its proper divisors (339087000).

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

142355400 is a wasteful number, since it uses less digits than its factorization.

142355400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21599 (or 21590 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 142355400 is about 11931.2782215486. The cubic root of 142355400 is about 522.1452305053.

The spelling of 142355400 in words is "one hundred forty-two million, three hundred fifty-five thousand, four hundred".