142405153545 has 64 divisors (see below), whose sum is σ = 241225205760. Its totient is φ = 71592288768.

The previous prime is 142405153531. The next prime is 142405153549. The reversal of 142405153545 is 545351504241.

It is not a de Polignac number, because 142405153545 - 2⁶ = 142405153481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142405153549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9418882 + ... + 9433988.

It is an arithmetic number, because the mean of its divisors is an integer number (3769143840).

Almost surely, 2^142405153545 is an apocalyptic number.

142405153545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142405153545 is a deficient number, since it is larger than the sum of its proper divisors (98820052215).

142405153545 is a wasteful number, since it uses less digits than its factorization.

142405153545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15534.

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 142405153545 its reverse (545351504241), we get a palindrome (687756657786).

The spelling of 142405153545 in words is "one hundred forty-two billion, four hundred five million, one hundred fifty-three thousand, five hundred forty-five".