142045145 has 16 divisors (see below), whose sum is σ = 186181632. Its totient is φ = 103176960.

The previous prime is 142045133. The next prime is 142045147. The reversal of 142045145 is 541540241.

It is not a de Polignac number, because 142045145 - 2¹² = 142041049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142045147) 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, 84584 + ... + 86246.

It is an arithmetic number, because the mean of its divisors is an integer number (11636352).

Almost surely, 2^142045145 is an apocalyptic number.

It is an amenable number.

142045145 is a deficient number, since it is larger than the sum of its proper divisors (44136487).

142045145 is a wasteful number, since it uses less digits than its factorization.

142045145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 142045145 is about 11918.2693794024. The cubic root of 142045145 is about 521.7656265947.

Adding to 142045145 its reverse (541540241), we get a palindrome (683585386).

The spelling of 142045145 in words is "one hundred forty-two million, forty-five thousand, one hundred forty-five".