141750561 has 4 divisors (see below), whose sum is σ = 189000752. Its totient is φ = 94500372.

The previous prime is 141750559. The next prime is 141750563. The reversal of 141750561 is 165057141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 165057141 = 3 ⋅55019047.

It is an interprime number because it is at equal distance from previous prime (141750559) and next prime (141750563).

It is not a de Polignac number, because 141750561 - 2¹ = 141750559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141750563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23625091 + ... + 23625096.

It is an arithmetic number, because the mean of its divisors is an integer number (47250188).

Almost surely, 2^141750561 is an apocalyptic number.

It is an amenable number.

141750561 is a deficient number, since it is larger than the sum of its proper divisors (47250191).

141750561 is an equidigital number, since it uses as much as digits as its factorization.

141750561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47250190.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 141750561 is about 11905.9044595528. The cubic root of 141750561 is about 521.4046845807.

It can be divided in two parts, 141750 and 561, that added together give a triangular number (142311 = T₅₃₃).

The spelling of 141750561 in words is "one hundred forty-one million, seven hundred fifty thousand, five hundred sixty-one".