142067494 has 16 divisors (see below), whose sum is σ = 219490128. Its totient is φ = 68915232.

The previous prime is 142067489. The next prime is 142067539. The reversal of 142067494 is 494760241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25029 + ... + 30175.

It is an arithmetic number, because the mean of its divisors is an integer number (13718133).

Almost surely, 2^142067494 is an apocalyptic number.

142067494 is a deficient number, since it is larger than the sum of its proper divisors (77422634).

142067494 is a wasteful number, since it uses less digits than its factorization.

142067494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 142067494 is about 11919.2069367051. The cubic root of 142067494 is about 521.7929895585.

The spelling of 142067494 in words is "one hundred forty-two million, sixty-seven thousand, four hundred ninety-four".