147466621 has 4 divisors (see below), whose sum is σ = 147492544. Its totient is φ = 147440700.

The previous prime is 147466609. The next prime is 147466633. The reversal of 147466621 is 126664741.

147466621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (147466609) and next prime (147466633).

It is a cyclic number.

It is not a de Polignac number, because 147466621 - 2¹³ = 147458429 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 (147466661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315 + ... + 17176.

It is an arithmetic number, because the mean of its divisors is an integer number (36873136).

Almost surely, 2^147466621 is an apocalyptic number.

It is an amenable number.

147466621 is a deficient number, since it is larger than the sum of its proper divisors (25923).

147466621 is an equidigital number, since it uses as much as digits as its factorization.

147466621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25922.

The product of its digits is 48384, while the sum is 37.

The square root of 147466621 is about 12143.5835320551. The cubic root of 147466621 is about 528.3210438970.

The spelling of 147466621 in words is "one hundred forty-seven million, four hundred sixty-six thousand, six hundred twenty-one".