42340101545 has 24 divisors (see below), whose sum is σ = 59159393928. Its totient is φ = 29005670400.

The previous prime is 42340101539. The next prime is 42340101607. The reversal of 42340101545 is 54510104324.

It can be written as a sum of positive squares in 4 ways, for example, as 11368677376 + 30971424169 = 106624^2 + 175987^2 .

It is a de Polignac number, because none of the positive numbers 2^k-42340101545 is a prime.

It is a super-2 number, since 2×42340101545² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178505 + ... + 341385.

It is an arithmetic number, because the mean of its divisors is an integer number (2464974747).

Almost surely, 2^42340101545 is an apocalyptic number.

It is an amenable number.

42340101545 is a deficient number, since it is larger than the sum of its proper divisors (16819292383).

42340101545 is a wasteful number, since it uses less digits than its factorization.

42340101545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163961 (or 163954 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 42340101545 its reverse (54510104324), we get a palindrome (96850205869).

The spelling of 42340101545 in words is "forty-two billion, three hundred forty million, one hundred one thousand, five hundred forty-five".