143869998 has 32 divisors (see below), whose sum is σ = 292826880. Its totient is φ = 47113920.

The previous prime is 143869993. The next prime is 143870003. The reversal of 143869998 is 899968341.

It is an interprime number because it is at equal distance from previous prime (143869993) and next prime (143870003).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143869993) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 194313 + ... + 195051.

It is an arithmetic number, because the mean of its divisors is an integer number (9150840).

Almost surely, 2^143869998 is an apocalyptic number.

143869998 is an abundant number, since it is smaller than the sum of its proper divisors (148956882).

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

143869998 is a wasteful number, since it uses less digits than its factorization.

143869998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272.

The product of its digits is 3359232, while the sum is 57.

The square root of 143869998 is about 11994.5820268986. The cubic root of 143869998 is about 523.9904991188.

The spelling of 143869998 in words is "one hundred forty-three million, eight hundred sixty-nine thousand, nine hundred ninety-eight".