142611145 has 16 divisors (see below), whose sum is σ = 173152512. Its totient is φ = 112752000.

The previous prime is 142611143. The next prime is 142611149. The reversal of 142611145 is 541116241.

It is not a de Polignac number, because 142611145 - 2¹ = 142611143 is a prime.

It is a super-2 number, since 2×142611145² = 40675877356422050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142611143) 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, 189520 + ... + 190270.

It is an arithmetic number, because the mean of its divisors is an integer number (10822032).

Almost surely, 2^142611145 is an apocalyptic number.

It is an amenable number.

142611145 is a deficient number, since it is larger than the sum of its proper divisors (30541367).

142611145 is a wasteful number, since it uses less digits than its factorization.

142611145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its digits is 960, while the sum is 25.

The square root of 142611145 is about 11941.9908306781. The cubic root of 142611145 is about 522.4577257221.

Adding to 142611145 its reverse (541116241), we get a palindrome (683727386).

The spelling of 142611145 in words is "one hundred forty-two million, six hundred eleven thousand, one hundred forty-five".