147032421 has 8 divisors (see below), whose sum is σ = 196140384. Its totient is φ = 97973040.

The previous prime is 147032419. The next prime is 147032449. The reversal of 147032421 is 124230741.

It is a happy number.

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

It is not a de Polignac number, because 147032421 - 2¹ = 147032419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147032391 and 147032400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147032401) 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, 4371 + ... + 17696.

It is an arithmetic number, because the mean of its divisors is an integer number (24517548).

Almost surely, 2^147032421 is an apocalyptic number.

It is an amenable number.

147032421 is a deficient number, since it is larger than the sum of its proper divisors (49107963).

147032421 is a wasteful number, since it uses less digits than its factorization.

147032421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24291.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 147032421 is about 12125.6925987755. The cubic root of 147032421 is about 527.8020055097.

The spelling of 147032421 in words is "one hundred forty-seven million, thirty-two thousand, four hundred twenty-one".