142213400 has 48 divisors (see below), whose sum is σ = 377885040. Its totient is φ = 48758400.

The previous prime is 142213369. The next prime is 142213403. The reversal of 142213400 is 4312241.

It is a super-2 number, since 2×142213400² = 40449302279120000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142213403) 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, 49391 + ... + 52190.

It is an arithmetic number, because the mean of its divisors is an integer number (7872605).

Almost surely, 2^142213400 is an apocalyptic number.

142213400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142213400 is an abundant number, since it is smaller than the sum of its proper divisors (235671640).

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

142213400 is a wasteful number, since it uses less digits than its factorization.

142213400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101604 (or 101595 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 142213400 is about 11925.3259913513. The cubic root of 142213400 is about 521.9715588601.

Adding to 142213400 its reverse (4312241), we get a palindrome (146525641).

The spelling of 142213400 in words is "one hundred forty-two million, two hundred thirteen thousand, four hundred".