42153420545 has 48 divisors (see below), whose sum is σ = 54009607680. Its totient is φ = 31571874048.

The previous prime is 42153420527. The next prime is 42153420563. The reversal of 42153420545 is 54502435124.

It is an interprime number because it is at equal distance from previous prime (42153420527) and next prime (42153420563).

It is not a de Polignac number, because 42153420545 - 2¹² = 42153416449 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48844784 + ... + 48845646.

It is an arithmetic number, because the mean of its divisors is an integer number (1125200160).

Almost surely, 2^42153420545 is an apocalyptic number.

It is an amenable number.

42153420545 is a deficient number, since it is larger than the sum of its proper divisors (11856187135).

42153420545 is a wasteful number, since it uses less digits than its factorization.

42153420545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 42153420545 its reverse (54502435124), we get a palindrome (96655855669).

The spelling of 42153420545 in words is "forty-two billion, one hundred fifty-three million, four hundred twenty thousand, five hundred forty-five".