142480749 has 8 divisors (see below), whose sum is σ = 190300320. Its totient is φ = 94824176.

The previous prime is 142480739. The next prime is 142480783. The reversal of 142480749 is 947084241.

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

It is a cyclic number.

It is not a de Polignac number, because 142480749 - 2¹⁶ = 142415213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142480729) 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, 38694 + ... + 42215.

It is an arithmetic number, because the mean of its divisors is an integer number (23787540).

Almost surely, 2^142480749 is an apocalyptic number.

It is an amenable number.

142480749 is a deficient number, since it is larger than the sum of its proper divisors (47819571).

142480749 is an equidigital number, since it uses as much as digits as its factorization.

142480749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81499.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 142480749 is about 11936.5300234197. The cubic root of 142480749 is about 522.2984413692.

The spelling of 142480749 in words is "one hundred forty-two million, four hundred eighty thousand, seven hundred forty-nine".