142261151 has 16 divisors (see below), whose sum is σ = 161948160. Its totient is φ = 124133760.

The previous prime is 142261129. The next prime is 142261199. The reversal of 142261151 is 151162241.

It is a cyclic number.

It is not a de Polignac number, because 142261151 - 2¹⁰ = 142260127 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 (142261111) 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, 10496 + ... + 19866.

It is an arithmetic number, because the mean of its divisors is an integer number (10121760).

Almost surely, 2^142261151 is an apocalyptic number.

142261151 is a deficient number, since it is larger than the sum of its proper divisors (19687009).

142261151 is a wasteful number, since it uses less digits than its factorization.

142261151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9454.

The product of its digits is 480, while the sum is 23.

The square root of 142261151 is about 11927.3279069538. The cubic root of 142261151 is about 522.0299731276.

The spelling of 142261151 in words is "one hundred forty-two million, two hundred sixty-one thousand, one hundred fifty-one".