146473691 has 32 divisors (see below), whose sum is σ = 186278400. Its totient is φ = 114434208.

The previous prime is 146473673. The next prime is 146473699. The reversal of 146473691 is 196374641.

146473691 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 146473691 - 2¹⁸ = 146211547 is a prime.

Its product of digits (108864) is a multiple of the sum of its prime factors (448).

It is not an unprimeable number, because it can be changed into a prime (146473699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 476960 + ... + 477266.

It is an arithmetic number, because the mean of its divisors is an integer number (5821200).

Almost surely, 2^146473691 is an apocalyptic number.

146473691 is a deficient number, since it is larger than the sum of its proper divisors (39804709).

146473691 is a wasteful number, since it uses less digits than its factorization.

146473691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 434 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 146473691 is about 12102.6315733397. The cubic root of 146473691 is about 527.1325995239.

The spelling of 146473691 in words is "one hundred forty-six million, four hundred seventy-three thousand, six hundred ninety-one".