142969044 has 12 divisors (see below), whose sum is σ = 333594464. Its totient is φ = 47656344.

The previous prime is 142969019. The next prime is 142969049. The reversal of 142969044 is 440969241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 142968993 and 142969011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142969049) 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, 5957032 + ... + 5957055.

Almost surely, 2^142969044 is an apocalyptic number.

It is an amenable number.

142969044 is an abundant number, since it is smaller than the sum of its proper divisors (190625420).

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

142969044 is a wasteful number, since it uses less digits than its factorization.

142969044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11914094 (or 11914092 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 142969044 is about 11956.9663376627. The cubic root of 142969044 is about 522.8944164484.

The spelling of 142969044 in words is "one hundred forty-two million, nine hundred sixty-nine thousand, forty-four".