151140020 has 18 divisors (see below), whose sum is σ = 317509542. Its totient is φ = 60434016.

The previous prime is 151140001. The next prime is 151140023. The reversal of 151140020 is 20041151.

It can be written as a sum of positive squares in 3 ways, for example, as 1860496 + 149279524 = 1364^2 + 12218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 151139977 and 151140004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151140023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53606 + ... + 56354.

It is an arithmetic number, because the mean of its divisors is an integer number (17639419).

Almost surely, 2^151140020 is an apocalyptic number.

151140020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151140020 is an abundant number, since it is smaller than the sum of its proper divisors (166369522).

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

151140020 is an frugal number, since it uses more digits than its factorization.

151140020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507 (or 2756 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 151140020 is about 12293.9017402938. The cubic root of 151140020 is about 532.6719466464.

Adding to 151140020 its reverse (20041151), we get a palindrome (171181171).

The spelling of 151140020 in words is "one hundred fifty-one million, one hundred forty thousand, twenty".