151603020 has 144 divisors (see below), whose sum is σ = 481178880. Its totient is φ = 38592000.

The previous prime is 151603019. The next prime is 151603043. The reversal of 151603020 is 20306151.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 151602984 and 151603002.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 563446 + ... + 563714.

It is an arithmetic number, because the mean of its divisors is an integer number (3341520).

Almost surely, 2^151603020 is an apocalyptic number.

151603020 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 151603020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240589440).

151603020 is an abundant number, since it is smaller than the sum of its proper divisors (329575860).

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

151603020 is a wasteful number, since it uses less digits than its factorization.

151603020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 151603020 is about 12312.7178153322. The cubic root of 151603020 is about 533.2153185059.

Adding to 151603020 its reverse (20306151), we get a palindrome (171909171).

The spelling of 151603020 in words is "one hundred fifty-one million, six hundred three thousand, twenty".