143894007 has 12 divisors (see below), whose sum is σ = 208006344. Its totient is φ = 95855760.

The previous prime is 143893963. The next prime is 143894053. The reversal of 143894007 is 700498341.

It is a happy number.

It is not a de Polignac number, because 143894007 - 2⁶ = 143893943 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143894057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7957 + ... + 18737.

It is an arithmetic number, because the mean of its divisors is an integer number (17333862).

Almost surely, 2^143894007 is an apocalyptic number.

143894007 is a deficient number, since it is larger than the sum of its proper divisors (64112337).

143894007 is a wasteful number, since it uses less digits than its factorization.

143894007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12270 (or 12267 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 143894007 is about 11995.5828120188. The cubic root of 143894007 is about 524.0196453117.

The spelling of 143894007 in words is "one hundred forty-three million, eight hundred ninety-four thousand, seven".