42145264451 has 16 divisors (see below), whose sum is σ = 45058083840. Its totient is φ = 39282399360.

The previous prime is 42145264393. The next prime is 42145264453. The reversal of 42145264451 is 15446254124.

It is a cyclic number.

It is not a de Polignac number, because 42145264451 - 2⁶ = 42145264387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42145264453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741980 + ... + 796758.

It is an arithmetic number, because the mean of its divisors is an integer number (2816130240).

Almost surely, 2^42145264451 is an apocalyptic number.

42145264451 is a deficient number, since it is larger than the sum of its proper divisors (2912819389).

42145264451 is a wasteful number, since it uses less digits than its factorization.

42145264451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55234.

The product of its digits is 153600, while the sum is 38.

The spelling of 42145264451 in words is "forty-two billion, one hundred forty-five million, two hundred sixty-four thousand, four hundred fifty-one".