142462109 has 2 divisors, whose sum is σ = 142462110. Its totient is φ = 142462108.

The previous prime is 142462093. The next prime is 142462121. The reversal of 142462109 is 901264241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101566084 + 40896025 = 10078^2 + 6395^2 .

It is a cyclic number.

It is not a de Polignac number, because 142462109 - 2⁴ = 142462093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142462169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71231054 + 71231055.

It is an arithmetic number, because the mean of its divisors is an integer number (71231055).

Almost surely, 2^142462109 is an apocalyptic number.

It is an amenable number.

142462109 is a deficient number, since it is larger than the sum of its proper divisors (1).

142462109 is an equidigital number, since it uses as much as digits as its factorization.

142462109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 142462109 is about 11935.7492014536. The cubic root of 142462109 is about 522.2756638651.

The spelling of 142462109 in words is "one hundred forty-two million, four hundred sixty-two thousand, one hundred nine".