143930940 has 24 divisors (see below), whose sum is σ = 403006800. Its totient is φ = 38381568.

The previous prime is 143930911. The next prime is 143930957. The reversal of 143930940 is 49039341.

It is a super-2 number, since 2×143930940² = 41432230978567200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199365 + ... + 1199484.

It is an arithmetic number, because the mean of its divisors is an integer number (16791950).

Almost surely, 2^143930940 is an apocalyptic number.

143930940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143930940 is an abundant number, since it is smaller than the sum of its proper divisors (259075860).

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

143930940 is a wasteful number, since it uses less digits than its factorization.

143930940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398861 (or 2398859 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 143930940 is about 11997.1221549170. The cubic root of 143930940 is about 524.0644745171.

The spelling of 143930940 in words is "one hundred forty-three million, nine hundred thirty thousand, nine hundred forty".