142402602254 has 32 divisors (see below), whose sum is σ = 246903228000. Its totient is φ = 60878039040.

The previous prime is 142402602239. The next prime is 142402602259. The reversal of 142402602254 is 452206204241.

It is a super-2 number, since 2×142402602254² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142402602254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142402602259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401222 + ... + 667670.

It is an arithmetic number, because the mean of its divisors is an integer number (7715725875).

Almost surely, 2^142402602254 is an apocalyptic number.

142402602254 is a deficient number, since it is larger than the sum of its proper divisors (104500625746).

142402602254 is a wasteful number, since it uses less digits than its factorization.

142402602254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267908.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 142402602254 its reverse (452206204241), we get a palindrome (594608806495).

The spelling of 142402602254 in words is "one hundred forty-two billion, four hundred two million, six hundred two thousand, two hundred fifty-four".