150415540 has 48 divisors (see below), whose sum is σ = 345602880. Its totient is φ = 54535680.

The previous prime is 150415493. The next prime is 150415567. The reversal of 150415540 is 45514051.

It is a happy number.

150415540 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94471 + ... + 96049.

It is an arithmetic number, because the mean of its divisors is an integer number (7200060).

Almost surely, 2^150415540 is an apocalyptic number.

150415540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150415540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172801440).

150415540 is an abundant number, since it is smaller than the sum of its proper divisors (195187340).

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

150415540 is a wasteful number, since it uses less digits than its factorization.

150415540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032 (or 2030 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 150415540 is about 12264.4013306806. The cubic root of 150415540 is about 531.8194734870.

Adding to 150415540 its reverse (45514051), we get a palindrome (195929591).

The spelling of 150415540 in words is "one hundred fifty million, four hundred fifteen thousand, five hundred forty".