143139650 has 24 divisors (see below), whose sum is σ = 275423220. Its totient is φ = 55280960.

The previous prime is 143139637. The next prime is 143139653. The reversal of 143139650 is 56931341.

It can be written as a sum of positive squares in 6 ways, for example, as 103083409 + 40056241 = 10153^2 + 6329^2 .

It is not an unprimeable number, because it can be changed into a prime (143139653) 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, 47909 + ... + 50808.

Almost surely, 2^143139650 is an apocalyptic number.

143139650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143139650 is a deficient number, since it is larger than the sum of its proper divisors (132283570).

143139650 is a wasteful number, since it uses less digits than its factorization.

143139650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98758 (or 98753 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 143139650 is about 11964.0983780643. The cubic root of 143139650 is about 523.1023250074.

The spelling of 143139650 in words is "one hundred forty-three million, one hundred thirty-nine thousand, six hundred fifty".