143455400 has 96 divisors (see below), whose sum is σ = 366806880. Its totient is φ = 51744000.

The previous prime is 143455399. The next prime is 143455409. The reversal of 143455400 is 4554341.

It is a self number, because there is not a number n which added to its sum of digits gives 143455400.

It is not an unprimeable number, because it can be changed into a prime (143455409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 433235 + ... + 433565.

It is an arithmetic number, because the mean of its divisors is an integer number (3820905).

Almost surely, 2^143455400 is an apocalyptic number.

143455400 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 143455400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183403440).

143455400 is an abundant number, since it is smaller than the sum of its proper divisors (223351480).

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

143455400 is a wasteful number, since it uses less digits than its factorization.

143455400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 143455400 is about 11977.2868380114. The cubic root of 143455400 is about 523.4866775360.

The spelling of 143455400 in words is "one hundred forty-three million, four hundred fifty-five thousand, four hundred".