143972604 has 18 divisors (see below), whose sum is σ = 363930840. Its totient is φ = 47990856.

The previous prime is 143972599. The next prime is 143972623. The reversal of 143972604 is 406279341.

143972604 is a `hidden beast` number, since 1 + 4 + 397 + 260 + 4 = 666.

143972604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×143972604² = 41456221405081632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3999239 = 143972604 / (1 + 4 + 3 + 9 + 7 + 2 + 6 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1999584 + ... + 1999655.

It is an arithmetic number, because the mean of its divisors is an integer number (20218380).

Almost surely, 2^143972604 is an apocalyptic number.

It is an amenable number.

143972604 is an abundant number, since it is smaller than the sum of its proper divisors (219958236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143972604 is a wasteful number, since it uses less digits than its factorization.

143972604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999249 (or 3999244 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 143972604 is about 11998.8584457022. The cubic root of 143972604 is about 524.1150369969.

The spelling of 143972604 in words is "one hundred forty-three million, nine hundred seventy-two thousand, six hundred four".