142097346 has 24 divisors (see below), whose sum is σ = 313688700. Its totient is φ = 46471776.

The previous prime is 142097323. The next prime is 142097357. The reversal of 142097346 is 643790241.

It can be written as a sum of positive squares in 2 ways, for example, as 124077321 + 18020025 = 11139^2 + 4245^2 .

It is a super-3 number, since 3×142097346³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142097346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73521 + ... + 75428.

Almost surely, 2^142097346 is an apocalyptic number.

142097346 is an abundant number, since it is smaller than the sum of its proper divisors (171591354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142097346 is a wasteful number, since it uses less digits than its factorization.

142097346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149010 (or 149007 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 142097346 is about 11920.4591354528. The cubic root of 142097346 is about 521.8295343326.

The spelling of 142097346 in words is "one hundred forty-two million, ninety-seven thousand, three hundred forty-six".