142148400 has 60 divisors (see below), whose sum is σ = 455352552. Its totient is φ = 37905920.

The previous prime is 142148393. The next prime is 142148417. The reversal of 142148400 is 4841241.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58029 + ... + 60428.

Almost surely, 2^142148400 is an apocalyptic number.

142148400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142148400 is an abundant number, since it is smaller than the sum of its proper divisors (313204152).

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

142148400 is a wasteful number, since it uses less digits than its factorization.

142148400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118478 (or 118467 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 142148400 is about 11922.6003874994. The cubic root of 142148400 is about 521.8920227036.

Adding to 142148400 its reverse (4841241), we get a palindrome (146989641).

The spelling of 142148400 in words is "one hundred forty-two million, one hundred forty-eight thousand, four hundred".