151045123 has 4 divisors (see below), whose sum is σ = 151297048. Its totient is φ = 150793200.

The previous prime is 151045121. The next prime is 151045127. The reversal of 151045123 is 321540151.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321540151 = 281 ⋅1144271.

It is a cyclic number.

It is not a de Polignac number, because 151045123 - 2¹ = 151045121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151045094 and 151045103.

It is not an unprimeable number, because it can be changed into a prime (151045121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125061 + ... + 126262.

It is an arithmetic number, because the mean of its divisors is an integer number (37824262).

Almost surely, 2^151045123 is an apocalyptic number.

151045123 is a deficient number, since it is larger than the sum of its proper divisors (251925).

151045123 is an equidigital number, since it uses as much as digits as its factorization.

151045123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251924.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 151045123 is about 12290.0416191321. The cubic root of 151045123 is about 532.5604395532.

Adding to 151045123 its reverse (321540151), we get a palindrome (472585274).

The spelling of 151045123 in words is "one hundred fifty-one million, forty-five thousand, one hundred twenty-three".