148353631 has 4 divisors (see below), whose sum is σ = 153139264. Its totient is φ = 143568000.

The previous prime is 148353629. The next prime is 148353637. The reversal of 148353631 is 136353841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148353631 - 2¹ = 148353629 is a prime.

It is a super-2 number, since 2×148353631² = 44017599661768322, 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 (148353637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2392770 + ... + 2392831.

It is an arithmetic number, because the mean of its divisors is an integer number (38284816).

Almost surely, 2^148353631 is an apocalyptic number.

148353631 is a deficient number, since it is larger than the sum of its proper divisors (4785633).

148353631 is an equidigital number, since it uses as much as digits as its factorization.

148353631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785632.

The product of its digits is 25920, while the sum is 34.

The square root of 148353631 is about 12180.0505335569. The cubic root of 148353631 is about 529.3782087429.

The spelling of 148353631 in words is "one hundred forty-eight million, three hundred fifty-three thousand, six hundred thirty-one".