142061045 has 24 divisors (see below), whose sum is σ = 200303928. Its totient is φ = 96432000.

The previous prime is 142061021. The next prime is 142061047. The reversal of 142061045 is 540160241.

It can be written as a sum of positive squares in 4 ways, for example, as 47251876 + 94809169 = 6874^2 + 9737^2 .

It is not a de Polignac number, because 142061045 - 2⁶ = 142060981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142061045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142061047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21875 + ... + 27615.

It is an arithmetic number, because the mean of its divisors is an integer number (8345997).

Almost surely, 2^142061045 is an apocalyptic number.

It is an amenable number.

142061045 is a deficient number, since it is larger than the sum of its proper divisors (58242883).

142061045 is a wasteful number, since it uses less digits than its factorization.

142061045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861 (or 5854 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 142061045 is about 11918.9364038911. The cubic root of 142061045 is about 521.7850940298.

It can be divided in two parts, 14206 and 1045, that added together give a palindrome (15251).

The spelling of 142061045 in words is "one hundred forty-two million, sixty-one thousand, forty-five".