142201450 has 24 divisors (see below), whose sum is σ = 264849120. Its totient is φ = 56804400.

The previous prime is 142201439. The next prime is 142201463. The reversal of 142201450 is 54102241.

142201450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 49555 + ... + 52345.

It is an arithmetic number, because the mean of its divisors is an integer number (11035380).

Almost surely, 2^142201450 is an apocalyptic number.

142201450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142201450 is a deficient number, since it is larger than the sum of its proper divisors (122647670).

142201450 is a wasteful number, since it uses less digits than its factorization.

142201450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822 (or 3817 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 142201450 is about 11924.8249463042. The cubic root of 142201450 is about 521.9569382621.

Adding to 142201450 its reverse (54102241), we get a palindrome (196303691).

The spelling of 142201450 in words is "one hundred forty-two million, two hundred one thousand, four hundred fifty".