142969000 has 32 divisors (see below), whose sum is σ = 334549800. Its totient is φ = 57187200.

The previous prime is 142968983. The next prime is 142969003. The reversal of 142969000 is 969241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9474084 + 133494916 = 3078^2 + 11554^2 .

It is a super-2 number, since 2×142969000² = 40880269922000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142969003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70485 + ... + 72484.

Almost surely, 2^142969000 is an apocalyptic number.

142969000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142969000 is an abundant number, since it is smaller than the sum of its proper divisors (191580800).

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

142969000 is a wasteful number, since it uses less digits than its factorization.

142969000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142990 (or 142976 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 142969000 is about 11956.9644977310. The cubic root of 142969000 is about 522.8943628066.

The spelling of 142969000 in words is "one hundred forty-two million, nine hundred sixty-nine thousand".