142551400 has 48 divisors (see below), whose sum is σ = 334760940. Its totient is φ = 56448000.

The previous prime is 142551371. The next prime is 142551403. The reversal of 142551400 is 4155241.

142551400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 133587364 + 8964036 = 11558^2 + 2994^2 .

It is not an unprimeable number, because it can be changed into a prime (142551403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16672 + ... + 23728.

Almost surely, 2^142551400 is an apocalyptic number.

142551400 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 142551400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167380470).

142551400 is an abundant number, since it is smaller than the sum of its proper divisors (192209540).

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

142551400 is a wasteful number, since it uses less digits than its factorization.

142551400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7174 (or 7165 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 142551400 is about 11939.4891012974. The cubic root of 142551400 is about 522.3847566781.

It can be divided in two parts, 1425 and 51400, that added together give a palindrome (52825).

The spelling of 142551400 in words is "one hundred forty-two million, five hundred fifty-one thousand, four hundred".