142653745 has 24 divisors (see below), whose sum is σ = 186269112. Its totient is φ = 104832000.

The previous prime is 142653737. The next prime is 142653773. The reversal of 142653745 is 547356241.

It can be written as a sum of positive squares in 12 ways, for example, as 83302129 + 59351616 = 9127^2 + 7704^2 .

It is not a de Polignac number, because 142653745 - 2³ = 142653737 is a prime.

It is a Duffinian number.

Its product of digits (100800) is a multiple of the sum of its prime divisors (840).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338635 + ... + 339055.

It is an arithmetic number, because the mean of its divisors is an integer number (7761213).

Almost surely, 2^142653745 is an apocalyptic number.

It is an amenable number.

142653745 is a deficient number, since it is larger than the sum of its proper divisors (43615367).

142653745 is a wasteful number, since it uses less digits than its factorization.

142653745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 840 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 142653745 is about 11943.7743197031. The cubic root of 142653745 is about 522.5097424219.

The spelling of 142653745 in words is "one hundred forty-two million, six hundred fifty-three thousand, seven hundred forty-five".