8146450542 has 16 divisors (see below), whose sum is σ = 16600314960. Its totient is φ = 2664247872.

The previous prime is 8146450517. The next prime is 8146450553. The reversal of 8146450542 is 2450546418.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8146450542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12808567 + ... + 12809202.

It is an arithmetic number, because the mean of its divisors is an integer number (1037519685).

Almost surely, 2^8146450542 is an apocalyptic number.

8146450542 is an abundant number, since it is smaller than the sum of its proper divisors (8453864418).

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

8146450542 is a wasteful number, since it uses less digits than its factorization.

8146450542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25617827.

The product of its (nonzero) digits is 153600, while the sum is 39.

The square root of 8146450542 is about 90257.6896557850. The cubic root of 8146450542 is about 2012.1304887063.

The spelling of 8146450542 in words is "eight billion, one hundred forty-six million, four hundred fifty thousand, five hundred forty-two".