142051449 has 8 divisors (see below), whose sum is σ = 189538272. Its totient is φ = 94632800.

The previous prime is 142051447. The next prime is 142051451. The reversal of 142051449 is 944150241.

142051449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142051447) and next prime (142051451).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142051449 - 2¹ = 142051447 is a prime.

It is a super-2 number, since 2×142051449² = 40357228325999202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142051447) 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, 11964 + ... + 20669.

It is an arithmetic number, because the mean of its divisors is an integer number (23692284).

Almost surely, 2^142051449 is an apocalyptic number.

It is an amenable number.

142051449 is a deficient number, since it is larger than the sum of its proper divisors (47486823).

142051449 is a wasteful number, since it uses less digits than its factorization.

142051449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34087.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 142051449 is about 11918.5338443955. The cubic root of 142051449 is about 521.7733451780.

The spelling of 142051449 in words is "one hundred forty-two million, fifty-one thousand, four hundred forty-nine".