143956980 has 48 divisors (see below), whose sum is σ = 447867840. Its totient is φ = 38388384.

The previous prime is 143956961. The next prime is 143956987. The reversal of 143956980 is 89659341.

It is a happy number.

143956980 is a `hidden beast` number, since 1 + 4 + 3 + 9 + 569 + 80 = 666.

143956980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×143956980² = 41447224181440800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143956987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132754 + ... + 133833.

It is an arithmetic number, because the mean of its divisors is an integer number (9330580).

Almost surely, 2^143956980 is an apocalyptic number.

143956980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143956980 is an abundant number, since it is smaller than the sum of its proper divisors (303910860).

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

143956980 is a wasteful number, since it uses less digits than its factorization.

143956980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266605 (or 266597 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 143956980 is about 11998.2073661027. The cubic root of 143956980 is about 524.0960772103.

The spelling of 143956980 in words is "one hundred forty-three million, nine hundred fifty-six thousand, nine hundred eighty".