147274261 has 8 divisors (see below), whose sum is σ = 149881248. Its totient is φ = 144690000.

The previous prime is 147274217. The next prime is 147274271. The reversal of 147274261 is 162472741.

It is a happy number.

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 147274261 - 2¹³ = 147266069 is a prime.

It is a super-2 number, since 2×147274261² = 43379415906192242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147274271) by changing a digit.

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, 7666 + ... + 18796.

It is an arithmetic number, because the mean of its divisors is an integer number (18735156).

Almost surely, 2^147274261 is an apocalyptic number.

It is an amenable number.

147274261 is a deficient number, since it is larger than the sum of its proper divisors (2606987).

147274261 is a wasteful number, since it uses less digits than its factorization.

147274261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11363.

The product of its digits is 18816, while the sum is 34.

The square root of 147274261 is about 12135.6607154287. The cubic root of 147274261 is about 528.0912245291.

The spelling of 147274261 in words is "one hundred forty-seven million, two hundred seventy-four thousand, two hundred sixty-one".