141539649 has 4 divisors (see below), whose sum is σ = 188719536. Its totient is φ = 94359764.

The previous prime is 141539641. The next prime is 141539659. The reversal of 141539649 is 946935141.

141539649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 141539649 - 2³ = 141539641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141539649.

It is not an unprimeable number, because it can be changed into a prime (141539641) 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, 23589939 + ... + 23589944.

It is an arithmetic number, because the mean of its divisors is an integer number (47179884).

Almost surely, 2^141539649 is an apocalyptic number.

It is an amenable number.

141539649 is a deficient number, since it is larger than the sum of its proper divisors (47179887).

141539649 is an equidigital number, since it uses as much as digits as its factorization.

141539649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47179886.

The product of its digits is 116640, while the sum is 42.

The square root of 141539649 is about 11897.0437084177. The cubic root of 141539649 is about 521.1459552296.

The spelling of 141539649 in words is "one hundred forty-one million, five hundred thirty-nine thousand, six hundred forty-nine".