152040420 has 144 divisors (see below), whose sum is σ = 535237248. Its totient is φ = 34214400.

The previous prime is 152040409. The next prime is 152040439. The reversal of 152040420 is 24040251.

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 = 152040393 and 152040402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83520 + ... + 85320.

Almost surely, 2^152040420 is an apocalyptic number.

152040420 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 152040420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267618624).

152040420 is an abundant number, since it is smaller than the sum of its proper divisors (383196828).

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

152040420 is a wasteful number, since it uses less digits than its factorization.

152040420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 1885 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 152040420 is about 12330.4671444354. The cubic root of 152040420 is about 533.7276311635.

Adding to 152040420 its reverse (24040251), we get a palindrome (176080671).

The spelling of 152040420 in words is "one hundred fifty-two million, forty thousand, four hundred twenty".