146075421 has 8 divisors (see below), whose sum is σ = 194921920. Its totient is φ = 97306272.

The previous prime is 146075411. The next prime is 146075453. The reversal of 146075421 is 124570641.

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

It is not a de Polignac number, because 146075421 - 2⁶ = 146075357 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 (146075411) 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, 14776 + ... + 22593.

It is an arithmetic number, because the mean of its divisors is an integer number (24365240).

Almost surely, 2^146075421 is an apocalyptic number.

It is an amenable number.

146075421 is a deficient number, since it is larger than the sum of its proper divisors (48846499).

146075421 is a wasteful number, since it uses less digits than its factorization.

146075421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38675.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 146075421 is about 12086.1665138289. The cubic root of 146075421 is about 526.6543983594.

The spelling of 146075421 in words is "one hundred forty-six million, seventy-five thousand, four hundred twenty-one".