151409321 has 16 divisors (see below), whose sum is σ = 177564288. Its totient is φ = 126403200.

The previous prime is 151409311. The next prime is 151409333. The reversal of 151409321 is 123904151.

It is not a de Polignac number, because 151409321 - 2¹⁰ = 151408297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151409311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198581 + ... + 199341.

It is an arithmetic number, because the mean of its divisors is an integer number (11097768).

Almost surely, 2^151409321 is an apocalyptic number.

It is an amenable number.

151409321 is a deficient number, since it is larger than the sum of its proper divisors (26154967).

151409321 is an equidigital number, since it uses as much as digits as its factorization.

151409321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 151409321 is about 12304.8494911559. The cubic root of 151409321 is about 532.9881302159.

The spelling of 151409321 in words is "one hundred fifty-one million, four hundred nine thousand, three hundred twenty-one".