142923537 has 12 divisors (see below), whose sum is σ = 207762100. Its totient is φ = 94674528.

The previous prime is 142923533. The next prime is 142923559. The reversal of 142923537 is 735329241.

142923537 is a `hidden beast` number, since 14 + 292 + 353 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 108243216 + 34680321 = 10404^2 + 5889^2 .

It is not a de Polignac number, because 142923537 - 2² = 142923533 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142923533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49162 + ... + 51987.

Almost surely, 2^142923537 is an apocalyptic number.

It is an amenable number.

142923537 is a deficient number, since it is larger than the sum of its proper divisors (64838563).

142923537 is a wasteful number, since it uses less digits than its factorization.

142923537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101312 (or 101309 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 142923537 is about 11955.0632369720. The cubic root of 142923537 is about 522.8389315204.

The spelling of 142923537 in words is "one hundred forty-two million, nine hundred twenty-three thousand, five hundred thirty-seven".