143445907 has 8 divisors (see below), whose sum is σ = 156864960. Its totient is φ = 130089960.

The previous prime is 143445859. The next prime is 143446001. The reversal of 143445907 is 709544341.

143445907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143445907 - 2¹⁹ = 142921619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143445007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10953 + ... + 20170.

It is an arithmetic number, because the mean of its divisors is an integer number (19608120).

Almost surely, 2^143445907 is an apocalyptic number.

143445907 is a deficient number, since it is larger than the sum of its proper divisors (13419053).

143445907 is a wasteful number, since it uses less digits than its factorization.

143445907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31553.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 143445907 is about 11976.8905397019. The cubic root of 143445907 is about 523.4751302336.

The spelling of 143445907 in words is "one hundred forty-three million, four hundred forty-five thousand, nine hundred seven".