142044045 has 32 divisors (see below), whose sum is σ = 267007104. Its totient is φ = 63571200.

The previous prime is 142044043. The next prime is 142044079. The reversal of 142044045 is 540440241.

It is a happy number.

It is not a de Polignac number, because 142044045 - 2¹ = 142044043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142044043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30966 + ... + 35255.

It is an arithmetic number, because the mean of its divisors is an integer number (8343972).

Almost surely, 2^142044045 is an apocalyptic number.

142044045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142044045 is a deficient number, since it is larger than the sum of its proper divisors (124963059).

142044045 is a wasteful number, since it uses less digits than its factorization.

142044045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66253.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 142044045 is about 11918.2232316734. The cubic root of 142044045 is about 521.7642797373.

Adding to 142044045 its reverse (540440241), we get a palindrome (682484286).

The spelling of 142044045 in words is "one hundred forty-two million, forty-four thousand, forty-five".