146691349 has 24 divisors (see below), whose sum is σ = 177292800. Its totient is φ = 120889440.

The previous prime is 146691301. The next prime is 146691353. The reversal of 146691349 is 943196641.

146691349 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 146691349 - 2²³ = 138302741 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 (146691359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408432 + ... + 408790.

It is an arithmetic number, because the mean of its divisors is an integer number (7387200).

Almost surely, 2^146691349 is an apocalyptic number.

It is an amenable number.

146691349 is a deficient number, since it is larger than the sum of its proper divisors (30601451).

146691349 is a wasteful number, since it uses less digits than its factorization.

146691349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 666 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 146691349 is about 12111.6204118194. The cubic root of 146691349 is about 527.3935743607.

The spelling of 146691349 in words is "one hundred forty-six million, six hundred ninety-one thousand, three hundred forty-nine".