147055631 has 4 divisors (see below), whose sum is σ = 147096000. Its totient is φ = 147015264.

The previous prime is 147055619. The next prime is 147055633. The reversal of 147055631 is 136550741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136550741 = 9547 ⋅14303.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147055631 is a prime.

It is a super-2 number, since 2×147055631² = 43250717217616322, 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 (147055633) 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 3 ways as a sum of consecutive naturals, for example, 14111 + ... + 22208.

It is an arithmetic number, because the mean of its divisors is an integer number (36774000).

Almost surely, 2^147055631 is an apocalyptic number.

147055631 is a deficient number, since it is larger than the sum of its proper divisors (40369).

147055631 is an equidigital number, since it uses as much as digits as its factorization.

147055631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40368.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 147055631 is about 12126.6496197425. The cubic root of 147055631 is about 527.8297763463.

The spelling of 147055631 in words is "one hundred forty-seven million, fifty-five thousand, six hundred thirty-one".