142955479 has 8 divisors (see below), whose sum is σ = 147022848. Its totient is φ = 138915840.

The previous prime is 142955473. The next prime is 142955497. The reversal of 142955479 is 974559241.

142955479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 142955479 - 2²³ = 134566871 is a prime.

It is a super-2 number, since 2×142955479² = 40872537952238882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142955473) 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, 3754 + ... + 17320.

It is an arithmetic number, because the mean of its divisors is an integer number (18377856).

Almost surely, 2^142955479 is an apocalyptic number.

142955479 is a deficient number, since it is larger than the sum of its proper divisors (4067369).

142955479 is a wasteful number, since it uses less digits than its factorization.

142955479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13865.

The product of its digits is 453600, while the sum is 46.

The square root of 142955479 is about 11956.3990816633. The cubic root of 142955479 is about 522.8778783995.

The spelling of 142955479 in words is "one hundred forty-two million, nine hundred fifty-five thousand, four hundred seventy-nine".