142949513 has 12 divisors (see below), whose sum is σ = 169828992. Its totient is φ = 119919240.

The previous prime is 142949459. The next prime is 142949551. The reversal of 142949513 is 315949241.

It is not a de Polignac number, because 142949513 - 2⁶ = 142949449 is a prime.

It is a super-3 number, since 3×142949513³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142949563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28733 + ... + 33338.

It is an arithmetic number, because the mean of its divisors is an integer number (14152416).

Almost surely, 2^142949513 is an apocalyptic number.

It is an amenable number.

142949513 is a deficient number, since it is larger than the sum of its proper divisors (26879479).

142949513 is an equidigital number, since it uses as much as digits as its factorization.

142949513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62132 (or 62125 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 142949513 is about 11956.1495892281. The cubic root of 142949513 is about 522.8706044966.

The spelling of 142949513 in words is "one hundred forty-two million, nine hundred forty-nine thousand, five hundred thirteen".