151440023 has 8 divisors (see below), whose sum is σ = 177099648. Its totient is φ = 126786744.

The previous prime is 151440011. The next prime is 151440031. The reversal of 151440023 is 320044151.

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

It is not a de Polignac number, because 151440023 - 2¹⁴ = 151423639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151439977 and 151440004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151446023) 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, 251261 + ... + 251862.

It is an arithmetic number, because the mean of its divisors is an integer number (22137456).

Almost surely, 2^151440023 is an apocalyptic number.

151440023 is a deficient number, since it is larger than the sum of its proper divisors (25659625).

151440023 is an equidigital number, since it uses as much as digits as its factorization.

151440023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503173.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 151440023 is about 12306.0969848283. The cubic root of 151440023 is about 533.0241533078.

Adding to 151440023 its reverse (320044151), we get a palindrome (471484174).

The spelling of 151440023 in words is "one hundred fifty-one million, four hundred forty thousand, twenty-three".