153140420 has 24 divisors (see below), whose sum is σ = 340512984. Its totient is φ = 57652736.

The previous prime is 153140419. The next prime is 153140423. The reversal of 153140420 is 24041351.

It can be written as a sum of positive squares in 4 ways, for example, as 1308736 + 151831684 = 1144^2 + 12322^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 153140392 and 153140401.

It is not an unprimeable number, because it can be changed into a prime (153140423) 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, 224867 + ... + 225546.

It is an arithmetic number, because the mean of its divisors is an integer number (14188041).

Almost surely, 2^153140420 is an apocalyptic number.

153140420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153140420 is an abundant number, since it is smaller than the sum of its proper divisors (187372564).

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

153140420 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 153140420 = (350140142)₉.

153140420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450439 (or 450437 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 153140420 is about 12374.9917171689. The cubic root of 153140420 is about 535.0116980003.

Adding to 153140420 its reverse (24041351), we get a palindrome (177181771).

The spelling of 153140420 in words is "one hundred fifty-three million, one hundred forty thousand, four hundred twenty".