142043450 has 24 divisors (see below), whose sum is σ = 273313980. Its totient is φ = 54857600.

The previous prime is 142043437. The next prime is 142043467. The reversal of 142043450 is 54340241.

It can be written as a sum of positive squares in 6 ways, for example, as 34070569 + 107972881 = 5837^2 + 10391^2 .

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, 47531 + ... + 50430.

Almost surely, 2^142043450 is an apocalyptic number.

142043450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142043450 is a deficient number, since it is larger than the sum of its proper divisors (131270530).

142043450 is a wasteful number, since it uses less digits than its factorization.

142043450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98002 (or 97997 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 142043450 is about 11918.1982698728. The cubic root of 142043450 is about 521.7635512070.

Adding to 142043450 its reverse (54340241), we get a palindrome (196383691).

The spelling of 142043450 in words is "one hundred forty-two million, forty-three thousand, four hundred fifty".