142464149 has 4 divisors (see below), whose sum is σ = 142611840. Its totient is φ = 142316460.

The previous prime is 142464137. The next prime is 142464163. The reversal of 142464149 is 941464241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142464149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142464349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72389 + ... + 74330.

It is an arithmetic number, because the mean of its divisors is an integer number (35652960).

Almost surely, 2^142464149 is an apocalyptic number.

It is an amenable number.

142464149 is a deficient number, since it is larger than the sum of its proper divisors (147691).

142464149 is an equidigital number, since it uses as much as digits as its factorization.

142464149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147690.

The product of its digits is 27648, while the sum is 35.

The square root of 142464149 is about 11935.8346587074. The cubic root of 142464149 is about 522.2781567789.

The spelling of 142464149 in words is "one hundred forty-two million, four hundred sixty-four thousand, one hundred forty-nine".