142401505545 has 64 divisors (see below), whose sum is σ = 274002624000. Its totient is φ = 69752897280.

The previous prime is 142401505513. The next prime is 142401505553. The reversal of 142401505545 is 545505104241.

142401505545 is a `hidden beast` number, since 14 + 2 + 40 + 1 + 50 + 554 + 5 = 666.

It is not a de Polignac number, because 142401505545 - 2⁵ = 142401505513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 145375 + ... + 553115.

It is an arithmetic number, because the mean of its divisors is an integer number (4281291000).

Almost surely, 2^142401505545 is an apocalyptic number.

142401505545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142401505545 is a deficient number, since it is larger than the sum of its proper divisors (131601118455).

142401505545 is a wasteful number, since it uses less digits than its factorization.

142401505545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407967 (or 407961 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 142401505545 its reverse (545505104241), we get a palindrome (687906609786).

The spelling of 142401505545 in words is "one hundred forty-two billion, four hundred one million, five hundred five thousand, five hundred forty-five".