150323440 has 40 divisors (see below), whose sum is σ = 367900560. Its totient is φ = 56964096.

The previous prime is 150323431. The next prime is 150323447. The reversal of 150323440 is 44323051.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×150323440² = 45194273226867200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150323447) 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, 47929 + ... + 50968.

It is an arithmetic number, because the mean of its divisors is an integer number (9197514).

Almost surely, 2^150323440 is an apocalyptic number.

150323440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150323440 is an abundant number, since it is smaller than the sum of its proper divisors (217577120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150323440 is a wasteful number, since it uses less digits than its factorization.

150323440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98929 (or 98923 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 150323440 is about 12260.6459862440. The cubic root of 150323440 is about 531.7109063050.

Adding to 150323440 its reverse (44323051), we get a palindrome (194646491).

The spelling of 150323440 in words is "one hundred fifty million, three hundred twenty-three thousand, four hundred forty".