142374549 has 16 divisors (see below), whose sum is σ = 194880384. Its totient is φ = 92424000.

The previous prime is 142374523. The next prime is 142374553. The reversal of 142374549 is 945473241.

It is not a de Polignac number, because 142374549 - 2⁵ = 142374517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142374559) 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, 14632 + ... + 22334.

It is an arithmetic number, because the mean of its divisors is an integer number (12180024).

Almost surely, 2^142374549 is an apocalyptic number.

It is an amenable number.

142374549 is a deficient number, since it is larger than the sum of its proper divisors (52505835).

142374549 is a wasteful number, since it uses less digits than its factorization.

142374549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7868.

The product of its digits is 120960, while the sum is 39.

The square root of 142374549 is about 11932.0806651648. The cubic root of 142374549 is about 522.1686416550.

The spelling of 142374549 in words is "one hundred forty-two million, three hundred seventy-four thousand, five hundred forty-nine".