42450145434 has 12 divisors (see below), whose sum is σ = 91975315146. Its totient is φ = 14150048472.

The previous prime is 42450145421. The next prime is 42450145447. The reversal of 42450145434 is 43454105424.

42450145434 is a `hidden beast` number, since 42 + 45 + 0 + 145 + 434 = 666.

It is an interprime number because it is at equal distance from previous prime (42450145421) and next prime (42450145447).

It can be written as a sum of positive squares in only one way, i.e., 41341055625 + 1109089809 = 203325^2 + 33303^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1179170689 + ... + 1179170724.

Almost surely, 2^42450145434 is an apocalyptic number.

42450145434 is an abundant number, since it is smaller than the sum of its proper divisors (49525169712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42450145434 is a wasteful number, since it uses less digits than its factorization.

42450145434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358341421 (or 2358341418 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

The spelling of 42450145434 in words is "forty-two billion, four hundred fifty million, one hundred forty-five thousand, four hundred thirty-four".