143942000 has 40 divisors (see below), whose sum is σ = 348056592. Its totient is φ = 57576000.

The previous prime is 143941961. The next prime is 143942017. The reversal of 143942000 is 249341.

It is a tau number, because it is divible by the number of its divisors (40).

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, 33986 + ... + 37985.

Almost surely, 2^143942000 is an apocalyptic number.

143942000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143942000 is an abundant number, since it is smaller than the sum of its proper divisors (204114592).

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

143942000 is an equidigital number, since it uses as much as digits as its factorization.

143942000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71994 (or 71978 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 143942000 is about 11997.5830899394. The cubic root of 143942000 is about 524.0778976319.

The spelling of 143942000 in words is "one hundred forty-three million, nine hundred forty-two thousand".