142970 has 24 divisors (see below), whose sum is σ = 282204. Its totient is φ = 51968.

The previous prime is 142969. The next prime is 142973. The reversal of 142970 is 79241.

It can be written as a sum of positive squares in 6 ways, for example, as 85849 + 57121 = 293^2 + 239^2 .

It is not an unprimeable number, because it can be changed into a prime (142973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4916 + ... + 4944.

2¹⁴²⁹⁷⁰ is an apocalyptic number.

142970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142970 is a deficient number, since it is larger than the sum of its proper divisors (139234).

142970 is a wasteful number, since it uses less digits than its factorization.

142970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 142970 is about 378.1137395018. The cubic root of 142970 is about 52.2895581936.

The spelling of 142970 in words is "one hundred forty-two thousand, nine hundred seventy".