147092945 has 8 divisors (see below), whose sum is σ = 181282344. Its totient is φ = 114493824.

The previous prime is 147092903. The next prime is 147092951. The reversal of 147092945 is 549290741.

It can be written as a sum of positive squares in 4 ways, for example, as 17497489 + 129595456 = 4183^2 + 11384^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 147092945 - 2⁸ = 147092689 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397364 + ... + 397733.

It is an arithmetic number, because the mean of its divisors is an integer number (22660293).

Almost surely, 2^147092945 is an apocalyptic number.

It is an amenable number.

147092945 is a deficient number, since it is larger than the sum of its proper divisors (34189399).

147092945 is an equidigital number, since it uses as much as digits as its factorization.

147092945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795139.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 147092945 is about 12128.1880344922. The cubic root of 147092945 is about 527.8744165380.

The spelling of 147092945 in words is "one hundred forty-seven million, ninety-two thousand, nine hundred forty-five".