152443420 has 24 divisors (see below), whose sum is σ = 338963184. Its totient is φ = 57390336.

The previous prime is 152443411. The next prime is 152443429. The reversal of 152443420 is 24344251.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (152443411) and next prime (152443429).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152443429) 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, 223842 + ... + 224521.

It is an arithmetic number, because the mean of its divisors is an integer number (14123466).

Almost surely, 2^152443420 is an apocalyptic number.

152443420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152443420 is an abundant number, since it is smaller than the sum of its proper divisors (186519764).

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

152443420 is a wasteful number, since it uses less digits than its factorization.

152443420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448389 (or 448387 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 152443420 is about 12346.7979654646. The cubic root of 152443420 is about 534.1987832268.

Adding to 152443420 its reverse (24344251), we get a palindrome (176787671).

It can be divided in two parts, 1524 and 43420, that added together give a palindrome (44944).

The spelling of 152443420 in words is "one hundred fifty-two million, four hundred forty-three thousand, four hundred twenty".