143650490 has 16 divisors (see below), whose sum is σ = 258948360. Its totient is φ = 57376320.

The previous prime is 143650477. The next prime is 143650499. The reversal of 143650490 is 94056341.

It can be written as a sum of positive squares in 4 ways, for example, as 40972801 + 102677689 = 6401^2 + 10133^2 .

It is not an unprimeable number, because it can be changed into a prime (143650499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3041 + ... + 17220.

Almost surely, 2^143650490 is an apocalyptic number.

143650490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143650490 is a deficient number, since it is larger than the sum of its proper divisors (115297870).

143650490 is a wasteful number, since it uses less digits than its factorization.

143650490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20977.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 143650490 is about 11985.4282359872. The cubic root of 143650490 is about 523.7238726398.

The spelling of 143650490 in words is "one hundred forty-three million, six hundred fifty thousand, four hundred ninety".