147402657 has 12 divisors (see below), whose sum is σ = 216406164. Its totient is φ = 96657120.

The previous prime is 147402649. The next prime is 147402707. The reversal of 147402657 is 756204741.

It can be written as a sum of positive squares in 2 ways, for example, as 83338641 + 64064016 = 9129^2 + 8004^2 .

It is not a de Polignac number, because 147402657 - 2³ = 147402649 is a prime.

It is a super-3 number, since 3×147402657³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (147402617) 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 11 ways as a sum of consecutive naturals, for example, 133698 + ... + 134795.

It is an arithmetic number, because the mean of its divisors is an integer number (18033847).

Almost surely, 2^147402657 is an apocalyptic number.

It is an amenable number.

147402657 is a deficient number, since it is larger than the sum of its proper divisors (69003507).

147402657 is a wasteful number, since it uses less digits than its factorization.

147402657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268560 (or 268557 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 147402657 is about 12140.9495921859. The cubic root of 147402657 is about 528.2446460107.

The spelling of 147402657 in words is "one hundred forty-seven million, four hundred two thousand, six hundred fifty-seven".