147025281 has 16 divisors (see below), whose sum is σ = 217925120. Its totient is φ = 87557760.

The previous prime is 147025279. The next prime is 147025283. The reversal of 147025281 is 182520741.

It is an interprime number because it is at equal distance from previous prime (147025279) and next prime (147025283).

It is not a de Polignac number, because 147025281 - 2¹ = 147025279 is a prime.

It is a super-2 number, since 2×147025281² = 43232866506257922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (147025283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59596 + ... + 62013.

It is an arithmetic number, because the mean of its divisors is an integer number (13620320).

Almost surely, 2^147025281 is an apocalyptic number.

It is an amenable number.

147025281 is a deficient number, since it is larger than the sum of its proper divisors (70899839).

147025281 is a wasteful number, since it uses less digits than its factorization.

147025281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121656.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 147025281 is about 12125.3981790290. The cubic root of 147025281 is about 527.7934618899.

The spelling of 147025281 in words is "one hundred forty-seven million, twenty-five thousand, two hundred eighty-one".