150540023 has 4 divisors (see below), whose sum is σ = 152092080. Its totient is φ = 148987968.

The previous prime is 150539993. The next prime is 150540041. The reversal of 150540023 is 320045051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320045051 = 6529 ⋅49019.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150540023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150539977 and 150540004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150540043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775883 + ... + 776076.

It is an arithmetic number, because the mean of its divisors is an integer number (38023020).

Almost surely, 2^150540023 is an apocalyptic number.

150540023 is a deficient number, since it is larger than the sum of its proper divisors (1552057).

150540023 is an equidigital number, since it uses as much as digits as its factorization.

150540023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552056.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 150540023 is about 12269.4752536529. The cubic root of 150540023 is about 531.9661432371.

Adding to 150540023 its reverse (320045051), we get a palindrome (470585074).

The spelling of 150540023 in words is "one hundred fifty million, five hundred forty thousand, twenty-three".