151430223 has 8 divisors (see below), whose sum is σ = 230750848. Its totient is φ = 86531544.

The previous prime is 151430173. The next prime is 151430239. The reversal of 151430223 is 322034151.

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

It is not a de Polignac number, because 151430223 - 2¹⁴ = 151413839 is a prime.

It is a super-2 number, since 2×151430223² = 45862224875659458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 7210963 = 151430223 / (1 + 5 + 1 + 4 + 3 + 0 + 2 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151430223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151430273) 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, 3605461 + ... + 3605502.

It is an arithmetic number, because the mean of its divisors is an integer number (28843856).

Almost surely, 2^151430223 is an apocalyptic number.

151430223 is a deficient number, since it is larger than the sum of its proper divisors (79320625).

151430223 is an equidigital number, since it uses as much as digits as its factorization.

151430223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7210973.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 151430223 is about 12305.6988017747. The cubic root of 151430223 is about 533.0126553579.

Adding to 151430223 its reverse (322034151), we get a palindrome (473464374).

The spelling of 151430223 in words is "one hundred fifty-one million, four hundred thirty thousand, two hundred twenty-three".