146749047 has 8 divisors (see below), whose sum is σ = 195840000. Its totient is φ = 97745400.

The previous prime is 146749007. The next prime is 146749081. The reversal of 146749047 is 740947641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-146749047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146749007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17797 + ... + 24702.

It is an arithmetic number, because the mean of its divisors is an integer number (24480000).

Almost surely, 2^146749047 is an apocalyptic number.

146749047 is a deficient number, since it is larger than the sum of its proper divisors (49090953).

146749047 is a wasteful number, since it uses less digits than its factorization.

146749047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43653.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 146749047 is about 12114.0021050023. The cubic root of 146749047 is about 527.4627117387.

The spelling of 146749047 in words is "one hundred forty-six million, seven hundred forty-nine thousand, forty-seven".