142480649 has 2 divisors, whose sum is σ = 142480650. Its totient is φ = 142480648.

The previous prime is 142480643. The next prime is 142480651. The reversal of 142480649 is 946084241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75568249 + 66912400 = 8693^2 + 8180^2 .

It is a cyclic number.

It is not a de Polignac number, because 142480649 - 2⁴ = 142480633 is a prime.

It is a super-2 number, since 2×142480649² = 40601470678922402, which contains 22 as substring.

Together with 142480651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142480643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71240324 + 71240325.

It is an arithmetic number, because the mean of its divisors is an integer number (71240325).

Almost surely, 2^142480649 is an apocalyptic number.

It is an amenable number.

142480649 is a deficient number, since it is larger than the sum of its proper divisors (1).

142480649 is an equidigital number, since it uses as much as digits as its factorization.

142480649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 142480649 is about 11936.5258345969. The cubic root of 142480649 is about 522.2983191776.

The spelling of 142480649 in words is "one hundred forty-two million, four hundred eighty thousand, six hundred forty-nine".