141521345 has 16 divisors (see below), whose sum is σ = 205504128. Its totient is φ = 91334400.

The previous prime is 141521339. The next prime is 141521357. The reversal of 141521345 is 543125141.

141521345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 141521345 - 2¹⁰ = 141520321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118331 + ... + 119520.

It is an arithmetic number, because the mean of its divisors is an integer number (12844008).

Almost surely, 2^141521345 is an apocalyptic number.

It is an amenable number.

141521345 is a deficient number, since it is larger than the sum of its proper divisors (63982783).

141521345 is a wasteful number, since it uses less digits than its factorization.

141521345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237880.

The product of its digits is 2400, while the sum is 26.

The square root of 141521345 is about 11896.2744168080. The cubic root of 141521345 is about 521.1234892825.

Adding to 141521345 its reverse (543125141), we get a palindrome (684646486).

The spelling of 141521345 in words is "one hundred forty-one million, five hundred twenty-one thousand, three hundred forty-five".