143120472 has 32 divisors (see below), whose sum is σ = 390329280. Its totient is φ = 43369760.

The previous prime is 143120447. The next prime is 143120479. The reversal of 143120472 is 274021341.

It is a happy number.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143120479) 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, 270798 + ... + 271325.

It is an arithmetic number, because the mean of its divisors is an integer number (12197790).

Almost surely, 2^143120472 is an apocalyptic number.

143120472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143120472 is an abundant number, since it is smaller than the sum of its proper divisors (247208808).

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

143120472 is a wasteful number, since it uses less digits than its factorization.

143120472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542143 (or 542139 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 143120472 is about 11963.2968700104. The cubic root of 143120472 is about 523.0789620318.

The spelling of 143120472 in words is "one hundred forty-three million, one hundred twenty thousand, four hundred seventy-two".