142671760 has 320 divisors, whose sum is σ = 462827520. Its totient is φ = 39536640.

The previous prime is 142671757. The next prime is 142671761. The reversal of 142671760 is 67176241.

142671760 = 148² + 149² + ... + 755².

It is a happy number.

It is a super-2 number, since 2×142671760² = 40710462202995200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142671761) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2691894 + ... + 2691946.

It is an arithmetic number, because the mean of its divisors is an integer number (1446336).

Almost surely, 2^142671760 is an apocalyptic number.

142671760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142671760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231413760).

142671760 is an abundant number, since it is smaller than the sum of its proper divisors (320155760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142671760 is a wasteful number, since it uses less digits than its factorization.

142671760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 142671760 is about 11944.5284544849. The cubic root of 142671760 is about 522.5317365093.

The spelling of 142671760 in words is "one hundred forty-two million, six hundred seventy-one thousand, seven hundred sixty".