150504140 has 24 divisors (see below), whose sum is σ = 319192272. Its totient is φ = 59604800.

The previous prime is 150504127. The next prime is 150504209. The reversal of 150504140 is 41405051.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35234 + ... + 39273.

It is an arithmetic number, because the mean of its divisors is an integer number (13299678).

Almost surely, 2^150504140 is an apocalyptic number.

150504140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150504140 is an abundant number, since it is smaller than the sum of its proper divisors (168688132).

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

150504140 is a wasteful number, since it uses less digits than its factorization.

150504140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74617 (or 74615 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 150504140 is about 12268.0128790281. The cubic root of 150504140 is about 531.9238730651.

Adding to 150504140 its reverse (41405051), we get a palindrome (191909191).

The spelling of 150504140 in words is "one hundred fifty million, five hundred four thousand, one hundred forty".