142009954 has 16 divisors (see below), whose sum is σ = 215012088. Its totient is φ = 70342272.

The previous prime is 142009943. The next prime is 142009957. The reversal of 142009954 is 459900241.

142009954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 110817729 + 31192225 = 10527^2 + 5585^2 .

It is not an unprimeable number, because it can be changed into a prime (142009957) 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, 193372 + ... + 194104.

Almost surely, 2^142009954 is an apocalyptic number.

142009954 is a deficient number, since it is larger than the sum of its proper divisors (73002134).

142009954 is a wasteful number, since it uses less digits than its factorization.

142009954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 142009954 is about 11916.7929410559. The cubic root of 142009954 is about 521.7225347296.

The spelling of 142009954 in words is "one hundred forty-two million, nine thousand, nine hundred fifty-four".