146491807 has 32 divisors (see below), whose sum is σ = 192052224. Its totient is φ = 108345600.

The previous prime is 146491781. The next prime is 146491817. The reversal of 146491807 is 708194641.

It is not a de Polignac number, because 146491807 - 2⁷ = 146491679 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 146491807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146491817) 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, 320323 + ... + 320779.

It is an arithmetic number, because the mean of its divisors is an integer number (6001632).

Almost surely, 2^146491807 is an apocalyptic number.

146491807 is a deficient number, since it is larger than the sum of its proper divisors (45560417).

146491807 is a wasteful number, since it uses less digits than its factorization.

146491807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 146491807 is about 12103.3799824677. The cubic root of 146491807 is about 527.1543307086.

The spelling of 146491807 in words is "one hundred forty-six million, four hundred ninety-one thousand, eight hundred seven".