151040220 has 48 divisors (see below), whose sum is σ = 424183200. Its totient is φ = 40156416.

The previous prime is 151040203. The next prime is 151040231. The reversal of 151040220 is 22040151.

151040220 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

151040220 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 151040220.

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, 17334 + ... + 24546.

It is an arithmetic number, because the mean of its divisors is an integer number (8837150).

Almost surely, 2^151040220 is an apocalyptic number.

151040220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151040220 is an abundant number, since it is smaller than the sum of its proper divisors (273142980).

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

151040220 is a wasteful number, since it uses less digits than its factorization.

151040220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7574 (or 7572 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 151040220 is about 12289.8421470741. The cubic root of 151040220 is about 532.5546770984.

Adding to 151040220 its reverse (22040151), we get a palindrome (173080371).

The spelling of 151040220 in words is "one hundred fifty-one million, forty thousand, two hundred twenty".