143436465040 has 160 divisors (see below), whose sum is σ = 385823627136. Its totient is φ = 49012039680.

The previous prime is 143436465031. The next prime is 143436465049. The reversal of 143436465040 is 40564634341.

It is an interprime number because it is at equal distance from previous prime (143436465031) and next prime (143436465049).

It is a super-2 number, since 2×143436465040² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 143436464984 and 143436465002.

It is not an unprimeable number, because it can be changed into a prime (143436465049) 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 31 ways as a sum of consecutive naturals, for example, 9761539 + ... + 9776221.

Almost surely, 2^143436465040 is an apocalyptic number.

143436465040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143436465040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192911813568).

143436465040 is an abundant number, since it is smaller than the sum of its proper divisors (242387162096).

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

143436465040 is a wasteful number, since it uses less digits than its factorization.

143436465040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15377 (or 15371 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 143436465040 in words is "one hundred forty-three billion, four hundred thirty-six million, four hundred sixty-five thousand, forty".