142151400 has 144 divisors (see below), whose sum is σ = 481472160. Its totient is φ = 37584000.

The previous prime is 142151381. The next prime is 142151479. The reversal of 142151400 is 4151241.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 35 ways as a sum of consecutive naturals, for example, 271539 + ... + 272061.

Almost surely, 2^142151400 is an apocalyptic number.

142151400 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 142151400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240736080).

142151400 is an abundant number, since it is smaller than the sum of its proper divisors (339320760).

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

142151400 is a wasteful number, since it uses less digits than its factorization.

142151400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 142151400 is about 11922.7261983156. The cubic root of 142151400 is about 521.8956941368.

The spelling of 142151400 in words is "one hundred forty-two million, one hundred fifty-one thousand, four hundred".