146561303 has 6 divisors (see below), whose sum is σ = 170489736. Its totient is φ = 125623932.

The previous prime is 146561299. The next prime is 146561321. The reversal of 146561303 is 303165641.

It is a happy number.

146561303 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 146561303 - 2² = 146561299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146561333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1495475 + ... + 1495572.

It is an arithmetic number, because the mean of its divisors is an integer number (28414956).

Almost surely, 2^146561303 is an apocalyptic number.

146561303 is a deficient number, since it is larger than the sum of its proper divisors (23928433).

146561303 is an equidigital number, since it uses as much as digits as its factorization.

146561303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991061 (or 2991054 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 146561303 is about 12106.2505756324. The cubic root of 146561303 is about 527.2376785453.

The spelling of 146561303 in words is "one hundred forty-six million, five hundred sixty-one thousand, three hundred three".