142401455 has 16 divisors (see below), whose sum is σ = 202029120. Its totient is φ = 94278912.

The previous prime is 142401443. The next prime is 142401461. The reversal of 142401455 is 554104241.

It is not a de Polignac number, because 142401455 - 2⁴ = 142401439 is a prime.

It is a super-2 number, since 2×142401455² = 40556348772234050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69134 + ... + 71163.

It is an arithmetic number, because the mean of its divisors is an integer number (12626820).

Almost surely, 2^142401455 is an apocalyptic number.

142401455 is a deficient number, since it is larger than the sum of its proper divisors (59627665).

142401455 is a wasteful number, since it uses less digits than its factorization.

142401455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140338.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 142401455 is about 11933.2080766238. The cubic root of 142401455 is about 522.2015327970.

Adding to 142401455 its reverse (554104241), we get a palindrome (696505696).

The spelling of 142401455 in words is "one hundred forty-two million, four hundred one thousand, four hundred fifty-five".