147401621 has 8 divisors (see below), whose sum is σ = 152296704. Its totient is φ = 142515360.

The previous prime is 147401603. The next prime is 147401623. The reversal of 147401621 is 126104741.

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 147401621 - 2⁶ = 147401557 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 (147401623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60401 + ... + 62793.

It is an arithmetic number, because the mean of its divisors is an integer number (19037088).

Almost surely, 2^147401621 is an apocalyptic number.

It is an amenable number.

147401621 is a deficient number, since it is larger than the sum of its proper divisors (4895083).

147401621 is a wasteful number, since it uses less digits than its factorization.

147401621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 147401621 is about 12140.9069265850. The cubic root of 147401621 is about 528.2434084420.

It can be divided in two parts, 14740 and 1621, that added together give a palindrome (16361).

The spelling of 147401621 in words is "one hundred forty-seven million, four hundred one thousand, six hundred twenty-one".