142045757 has 6 divisors (see below), whose sum is σ = 165236958. Its totient is φ = 121753464.

The previous prime is 142045747. The next prime is 142045763. The reversal of 142045757 is 757540241.

It can be written as a sum of positive squares in only one way, i.e., 90364036 + 51681721 = 9506^2 + 7189^2 .

It is not a de Polignac number, because 142045757 - 2¹⁶ = 141980221 is a prime.

It is a super-3 number, since 3×142045757³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142045747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1449398 + ... + 1449495.

It is an arithmetic number, because the mean of its divisors is an integer number (27539493).

Almost surely, 2^142045757 is an apocalyptic number.

It is an amenable number.

142045757 is a deficient number, since it is larger than the sum of its proper divisors (23191201).

142045757 is an equidigital number, since it uses as much as digits as its factorization.

142045757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898907 (or 2898900 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 142045757 is about 11918.2950542433. The cubic root of 142045757 is about 521.7663759342.

Adding to 142045757 its reverse (757540241), we get a palindrome (899585998).

The spelling of 142045757 in words is "one hundred forty-two million, forty-five thousand, seven hundred fifty-seven".