146072047 has 12 divisors (see below), whose sum is σ = 160857648. Its totient is φ = 132545600.

The previous prime is 146072033. The next prime is 146072071. The reversal of 146072047 is 740270641.

It is not a de Polignac number, because 146072047 - 2²³ = 137683439 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 (146072077) 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, 106647 + ... + 108007.

It is an arithmetic number, because the mean of its divisors is an integer number (13404804).

Almost surely, 2^146072047 is an apocalyptic number.

146072047 is a deficient number, since it is larger than the sum of its proper divisors (14785601).

146072047 is a wasteful number, since it uses less digits than its factorization.

146072047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270 (or 2259 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 146072047 is about 12086.0269319574. The cubic root of 146072047 is about 526.6503435006.

The spelling of 146072047 in words is "one hundred forty-six million, seventy-two thousand, forty-seven".