147342631 has 4 divisors (see below), whose sum is σ = 147867264. Its totient is φ = 146818000.

The previous prime is 147342617. The next prime is 147342661. The reversal of 147342631 is 136243741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136243741 = 47 ⋅2898803.

It is a cyclic number.

It is not a de Polignac number, because 147342631 - 2⁵ = 147342599 is a prime.

It is a super-2 number, since 2×147342631² = 43419701820004322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) 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 junction number, because it is equal to n+sod(n) for n = 147342593 and 147342602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147342661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261895 + ... + 262456.

It is an arithmetic number, because the mean of its divisors is an integer number (36966816).

Almost surely, 2^147342631 is an apocalyptic number.

147342631 is a deficient number, since it is larger than the sum of its proper divisors (524633).

147342631 is an equidigital number, since it uses as much as digits as its factorization.

147342631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524632.

The product of its digits is 12096, while the sum is 31.

The square root of 147342631 is about 12138.4772933017. The cubic root of 147342631 is about 528.1729315226.

The spelling of 147342631 in words is "one hundred forty-seven million, three hundred forty-two thousand, six hundred thirty-one".