142480621 has 8 divisors (see below), whose sum is σ = 152328384. Its totient is φ = 132795840.

The previous prime is 142480609. The next prime is 142480627. The reversal of 142480621 is 126084241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142480621 - 2⁹ = 142480109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142480621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142480627) 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, 38935 + ... + 42436.

It is an arithmetic number, because the mean of its divisors is an integer number (19041048).

Almost surely, 2^142480621 is an apocalyptic number.

It is an amenable number.

142480621 is a deficient number, since it is larger than the sum of its proper divisors (9847763).

142480621 is a wasteful number, since it uses less digits than its factorization.

142480621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81491.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 142480621 is about 11936.5246617263. The cubic root of 142480621 is about 522.2982849639.

The spelling of 142480621 in words is "one hundred forty-two million, four hundred eighty thousand, six hundred twenty-one".