43142450 has 24 divisors (see below), whose sum is σ = 86418948. Its totient is φ = 15929280.

The previous prime is 43142423. The next prime is 43142467. The reversal of 43142450 is 5424134.

It can be written as a sum of positive squares in 6 ways, for example, as 20948929 + 22193521 = 4577^2 + 4711^2 .

It is a super-2 number, since 2×43142450² = 3722541984005000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32537 + ... + 33836.

Almost surely, 2^43142450 is an apocalyptic number.

43142450 is an abundant number, since it is smaller than the sum of its proper divisors (43276498).

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

43142450 is a wasteful number, since it uses less digits than its factorization.

43142450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66398 (or 66393 counting only the distinct ones).

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

The square root of 43142450 is about 6568.2912542000. The cubic root of 43142450 is about 350.7262471030.

Adding to 43142450 its reverse (5424134), we get a palindrome (48566584).

The spelling of 43142450 in words is "forty-three million, one hundred forty-two thousand, four hundred fifty".