146447901 has 12 divisors (see below), whose sum is σ = 211678012. Its totient is φ = 97566336.

The previous prime is 146447893. The next prime is 146447921. The reversal of 146447901 is 109744641.

146447901 is a `hidden beast` number, since 1 + 4 + 644 + 7 + 9 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 44235801 + 102212100 = 6651^2 + 10110^2 .

It is not a de Polignac number, because 146447901 - 2³ = 146447893 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 (146447921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11415 + ... + 20571.

Almost surely, 2^146447901 is an apocalyptic number.

It is an amenable number.

146447901 is a deficient number, since it is larger than the sum of its proper divisors (65230111).

146447901 is a wasteful number, since it uses less digits than its factorization.

146447901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10940 (or 10937 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 146447901 is about 12101.5660556806. The cubic root of 146447901 is about 527.1016598432.

The spelling of 146447901 in words is "one hundred forty-six million, four hundred forty-seven thousand, nine hundred one".