32154145021 has 8 divisors (see below), whose sum is σ = 32310605024. Its totient is φ = 31997987280.

The previous prime is 32154145013. The next prime is 32154145027. The reversal of 32154145021 is 12054145123.

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

It is a cyclic number.

It is not a de Polignac number, because 32154145021 - 2³ = 32154145013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32154145027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139186 + ... + 289276.

It is an arithmetic number, because the mean of its divisors is an integer number (4038825628).

Almost surely, 2^32154145021 is an apocalyptic number.

It is an amenable number.

32154145021 is a deficient number, since it is larger than the sum of its proper divisors (156460003).

32154145021 is a wasteful number, since it uses less digits than its factorization.

32154145021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151131.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 32154145021 in words is "thirty-two billion, one hundred fifty-four million, one hundred forty-five thousand, twenty-one".