142507383 has 4 divisors (see below), whose sum is σ = 190009848. Its totient is φ = 95004920.

The previous prime is 142507381. The next prime is 142507399. The reversal of 142507383 is 383705241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383705241 = 3 ⋅127901747.

It is a cyclic number.

It is not a de Polignac number, because 142507383 - 2¹ = 142507381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142507381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23751228 + ... + 23751233.

It is an arithmetic number, because the mean of its divisors is an integer number (47502462).

Almost surely, 2^142507383 is an apocalyptic number.

142507383 is a deficient number, since it is larger than the sum of its proper divisors (47502465).

142507383 is an equidigital number, since it uses as much as digits as its factorization.

142507383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47502464.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 142507383 is about 11937.6456221484. The cubic root of 142507383 is about 522.3309838473.

The spelling of 142507383 in words is "one hundred forty-two million, five hundred seven thousand, three hundred eighty-three".