152321447 has 8 divisors (see below), whose sum is σ = 154412544. Its totient is φ = 150242328.

The previous prime is 152321443. The next prime is 152321459. The reversal of 152321447 is 744123251.

152321447 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 152321447 - 2² = 152321443 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 (152321443) 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, 24278 + ... + 29900.

It is an arithmetic number, because the mean of its divisors is an integer number (19301568).

Almost surely, 2^152321447 is an apocalyptic number.

152321447 is a deficient number, since it is larger than the sum of its proper divisors (2091097).

152321447 is a wasteful number, since it uses less digits than its factorization.

152321447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5989.

The product of its digits is 6720, while the sum is 29.

The square root of 152321447 is about 12341.8575182182. The cubic root of 152321447 is about 534.0562708684.

Adding to 152321447 its reverse (744123251), we get a palindrome (896444698).

The spelling of 152321447 in words is "one hundred fifty-two million, three hundred twenty-one thousand, four hundred forty-seven".