143214002521 has 8 divisors (see below), whose sum is σ = 144639758088. Its totient is φ = 141788400000.

The previous prime is 143214002507. The next prime is 143214002531. The reversal of 143214002521 is 125200412341.

It can be written as a sum of positive squares in 4 ways, for example, as 23658496 + 143190344025 = 4864^2 + 378405^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143214002521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143214002531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3181471 + ... + 3226171.

It is an arithmetic number, because the mean of its divisors is an integer number (18079969761).

Almost surely, 2^143214002521 is an apocalyptic number.

It is an amenable number.

143214002521 is a deficient number, since it is larger than the sum of its proper divisors (1425755567).

143214002521 is a wasteful number, since it uses less digits than its factorization.

143214002521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76523.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 143214002521 its reverse (125200412341), we get a palindrome (268414414862).

The spelling of 143214002521 in words is "one hundred forty-three billion, two hundred fourteen million, two thousand, five hundred twenty-one".