147274547 has 12 divisors (see below), whose sum is σ = 174967200. Its totient is φ = 123547536.

The previous prime is 147274493. The next prime is 147274549. The reversal of 147274547 is 745472741.

It is not a de Polignac number, because 147274547 - 2⁸ = 147274291 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147274549) 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, 29672 + ... + 34277.

It is an arithmetic number, because the mean of its divisors is an integer number (14580600).

Almost surely, 2^147274547 is an apocalyptic number.

147274547 is a deficient number, since it is larger than the sum of its proper divisors (27692653).

147274547 is an equidigital number, since it uses as much as digits as its factorization.

147274547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64010 (or 64003 counting only the distinct ones).

The product of its digits is 219520, while the sum is 41.

The square root of 147274547 is about 12135.6724988770. The cubic root of 147274547 is about 528.0915663720.

The spelling of 147274547 in words is "one hundred forty-seven million, two hundred seventy-four thousand, five hundred forty-seven".