142916149 has 4 divisors (see below), whose sum is σ = 142985164. Its totient is φ = 142847136.

The previous prime is 142916141. The next prime is 142916167. The reversal of 142916149 is 941619241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4100625 + 138815524 = 2025^2 + 11782^2 .

It is a cyclic number.

It is not a de Polignac number, because 142916149 - 2³ = 142916141 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 (142916141) 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, 31302 + ... + 35575.

It is an arithmetic number, because the mean of its divisors is an integer number (35746291).

Almost surely, 2^142916149 is an apocalyptic number.

It is an amenable number.

142916149 is a deficient number, since it is larger than the sum of its proper divisors (69015).

142916149 is an equidigital number, since it uses as much as digits as its factorization.

142916149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69014.

The product of its digits is 15552, while the sum is 37.

The square root of 142916149 is about 11954.7542425597. The cubic root of 142916149 is about 522.8299225060.

It can be divided in two parts, 1429 and 16149, that added together give a triangular number (17578 = T₁₈₇).

The spelling of 142916149 in words is "one hundred forty-two million, nine hundred sixteen thousand, one hundred forty-nine".