146155406538 has 8 divisors (see below), whose sum is σ = 292310813088. Its totient is φ = 48718468844.

The previous prime is 146155406519. The next prime is 146155406567. The reversal of 146155406538 is 835604551641.

It is a sphenic number, since it is the product of 3 distinct primes.

146155406538 is an admirable number.

It is a super-2 number, since 2×146155406538² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12179617206 + ... + 12179617217.

It is an arithmetic number, because the mean of its divisors is an integer number (36538851636).

Almost surely, 2^146155406538 is an apocalyptic number.

146155406538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

146155406538 is a wasteful number, since it uses less digits than its factorization.

146155406538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24359234428.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 146155406538 in words is "one hundred forty-six billion, one hundred fifty-five million, four hundred six thousand, five hundred thirty-eight".