151315420 has 48 divisors (see below), whose sum is σ = 328301568. Its totient is φ = 58544640.

The previous prime is 151315403. The next prime is 151315447. The reversal of 151315420 is 24513151.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 151315391 and 151315400.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 103414 + ... + 104866.

It is an arithmetic number, because the mean of its divisors is an integer number (6839616).

Almost surely, 2^151315420 is an apocalyptic number.

151315420 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 151315420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164150784).

151315420 is an abundant number, since it is smaller than the sum of its proper divisors (176986148).

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

151315420 is a wasteful number, since it uses less digits than its factorization.

151315420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630 (or 1628 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 151315420 is about 12301.0332899314. The cubic root of 151315420 is about 532.8779246092.

Adding to 151315420 its reverse (24513151), we get a palindrome (175828571).

The spelling of 151315420 in words is "one hundred fifty-one million, three hundred fifteen thousand, four hundred twenty".