15146474021 has 8 divisors (see below), whose sum is σ = 17434791360. Its totient is φ = 12889290528.

The previous prime is 15146473997. The next prime is 15146474113. The reversal of 15146474021 is 12047464151.

15146474021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15146474021 - 2¹⁴ = 15146457637 is a prime.

It is a super-3 number, since 3×15146474021³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15146476021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7782416 + ... + 7784361.

It is an arithmetic number, because the mean of its divisors is an integer number (2179348920).

Almost surely, 2^15146474021 is an apocalyptic number.

It is an amenable number.

15146474021 is a deficient number, since it is larger than the sum of its proper divisors (2288317339).

15146474021 is a wasteful number, since it uses less digits than its factorization.

15146474021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15566923.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 15146474021 in words is "fifteen billion, one hundred forty-six million, four hundred seventy-four thousand, twenty-one".