143648974 has 16 divisors (see below), whose sum is σ = 250903008. Its totient is φ = 60401952.

The previous prime is 143648971. The next prime is 143649001. The reversal of 143648974 is 479846341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143648971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96057 + ... + 97540.

It is an arithmetic number, because the mean of its divisors is an integer number (15681438).

Almost surely, 2^143648974 is an apocalyptic number.

143648974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

143648974 is a deficient number, since it is larger than the sum of its proper divisors (107254034).

143648974 is a wasteful number, since it uses less digits than its factorization.

143648974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193659.

The product of its digits is 580608, while the sum is 46.

The square root of 143648974 is about 11985.3649923563. The cubic root of 143648974 is about 523.7220302788.

The spelling of 143648974 in words is "one hundred forty-three million, six hundred forty-eight thousand, nine hundred seventy-four".