42145352403 has 32 divisors (see below), whose sum is σ = 70415516160. Its totient is φ = 21782530560.

The previous prime is 42145352371. The next prime is 42145352461. The reversal of 42145352403 is 30425354124.

It is not a de Polignac number, because 42145352403 - 2⁵ = 42145352371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (42145352003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 417558 + ... + 508571.

It is an arithmetic number, because the mean of its divisors is an integer number (2200484880).

Almost surely, 2^42145352403 is an apocalyptic number.

42145352403 is a deficient number, since it is larger than the sum of its proper divisors (28270163757).

42145352403 is a wasteful number, since it uses less digits than its factorization.

42145352403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926347.

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 42145352403 in words is "forty-two billion, one hundred forty-five million, three hundred fifty-two thousand, four hundred three".