142159450 has 24 divisors (see below), whose sum is σ = 273537180. Its totient is φ = 54902400.

The previous prime is 142159441. The next prime is 142159453. The reversal of 142159450 is 54951241.

142159450 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 74080449 + 68079001 = 8607^2 + 8251^2 .

It is not an unprimeable number, because it can be changed into a prime (142159453) 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, 47571 + ... + 50470.

Almost surely, 2^142159450 is an apocalyptic number.

142159450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142159450 is a deficient number, since it is larger than the sum of its proper divisors (131377730).

142159450 is a wasteful number, since it uses less digits than its factorization.

142159450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98082 (or 98077 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 142159450 is about 11923.0637841119. The cubic root of 142159450 is about 521.9055455605.

The spelling of 142159450 in words is "one hundred forty-two million, one hundred fifty-nine thousand, four hundred fifty".