141890545 has 8 divisors (see below), whose sum is σ = 174421800. Its totient is φ = 110743680.

The previous prime is 141890543. The next prime is 141890549. The reversal of 141890545 is 545098141.

141890545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 17969121 + 123921424 = 4239^2 + 11132^2 .

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

It is not a de Polignac number, because 141890545 - 2¹ = 141890543 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (141890543) 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, 345870 + ... + 346279.

It is an arithmetic number, because the mean of its divisors is an integer number (21802725).

Almost surely, 2^141890545 is an apocalyptic number.

It is an amenable number.

141890545 is a deficient number, since it is larger than the sum of its proper divisors (32531255).

141890545 is an equidigital number, since it uses as much as digits as its factorization.

141890545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692195.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 141890545 is about 11911.7817726820. The cubic root of 141890545 is about 521.5762636790.

The spelling of 141890545 in words is "one hundred forty-one million, eight hundred ninety thousand, five hundred forty-five".