142041511 has 16 divisors (see below), whose sum is σ = 159377760. Its totient is φ = 125798400.

The previous prime is 142041509. The next prime is 142041517. The reversal of 142041511 is 115140241.

It is a cyclic number.

It is not a de Polignac number, because 142041511 - 2¹ = 142041509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142041517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49311 + ... + 52111.

It is an arithmetic number, because the mean of its divisors is an integer number (9961110).

Almost surely, 2^142041511 is an apocalyptic number.

142041511 is a deficient number, since it is larger than the sum of its proper divisors (17336249).

142041511 is a wasteful number, since it uses less digits than its factorization.

142041511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 142041511 is about 11918.1169234070. The cubic root of 142041511 is about 521.7611770411.

Adding to 142041511 its reverse (115140241), we get a palindrome (257181752).

The spelling of 142041511 in words is "one hundred forty-two million, forty-one thousand, five hundred eleven".