152143420 has 48 divisors (see below), whose sum is σ = 375365088. Its totient is φ = 51068160.

The previous prime is 152143403. The next prime is 152143427. The reversal of 152143420 is 24341251.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 152143391 and 152143400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152143427) 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 15 ways as a sum of consecutive naturals, for example, 23739 + ... + 29458.

It is an arithmetic number, because the mean of its divisors is an integer number (7820106).

Almost surely, 2^152143420 is an apocalyptic number.

152143420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152143420 is an abundant number, since it is smaller than the sum of its proper divisors (223221668).

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

152143420 is a wasteful number, since it uses less digits than its factorization.

152143420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53230 (or 53228 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 152143420 is about 12334.6430836081. The cubic root of 152143420 is about 533.8481288062.

Adding to 152143420 its reverse (24341251), we get a palindrome (176484671).

The spelling of 152143420 in words is "one hundred fifty-two million, one hundred forty-three thousand, four hundred twenty".