143750645 has 4 divisors (see below), whose sum is σ = 172500780. Its totient is φ = 115000512.

The previous prime is 143750639. The next prime is 143750653. The reversal of 143750645 is 546057341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546057341 = 1153 ⋅473597.

It can be written as a sum of positive squares in 2 ways, for example, as 25180324 + 118570321 = 5018^2 + 10889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143750645 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14375060 + ... + 14375069.

It is an arithmetic number, because the mean of its divisors is an integer number (43125195).

Almost surely, 2^143750645 is an apocalyptic number.

It is an amenable number.

143750645 is a deficient number, since it is larger than the sum of its proper divisors (28750135).

143750645 is an equidigital number, since it uses as much as digits as its factorization.

143750645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28750134.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 143750645 is about 11989.6057066110. The cubic root of 143750645 is about 523.8455600742.

The spelling of 143750645 in words is "one hundred forty-three million, seven hundred fifty thousand, six hundred forty-five".