151442020 has 24 divisors (see below), whose sum is σ = 318266424. Its totient is φ = 60531456.

The previous prime is 151442003. The next prime is 151442021. The reversal of 151442020 is 20244151.

It can be written as a sum of positive squares in 4 ways, for example, as 18593344 + 132848676 = 4312^2 + 11526^2 .

It is not an unprimeable number, because it can be changed into a prime (151442021) 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 7 ways as a sum of consecutive naturals, for example, 41302 + ... + 44818.

It is an arithmetic number, because the mean of its divisors is an integer number (13261101).

Almost surely, 2^151442020 is an apocalyptic number.

151442020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151442020 is an abundant number, since it is smaller than the sum of its proper divisors (166824404).

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

151442020 is a wasteful number, since it uses less digits than its factorization.

151442020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679 (or 5677 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 151442020 is about 12306.1781232030. The cubic root of 151442020 is about 533.0264962475.

Adding to 151442020 its reverse (20244151), we get a palindrome (171686171).

It can be divided in two parts, 1514 and 42020, that added together give a palindrome (43534).

The spelling of 151442020 in words is "one hundred fifty-one million, four hundred forty-two thousand, twenty".