152446420 has 24 divisors (see below), whose sum is σ = 365871744. Its totient is φ = 52267296.

The previous prime is 152446397. The next prime is 152446421. The reversal of 152446420 is 24644251.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152446421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544312 + ... + 544591.

It is an arithmetic number, because the mean of its divisors is an integer number (15244656).

Almost surely, 2^152446420 is an apocalyptic number.

152446420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152446420 is an abundant number, since it is smaller than the sum of its proper divisors (213425324).

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

152446420 is a wasteful number, since it uses less digits than its factorization.

152446420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088919 (or 1088917 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 152446420 is about 12346.9194538557. The cubic root of 152446420 is about 534.2022874468.

The spelling of 152446420 in words is "one hundred fifty-two million, four hundred forty-six thousand, four hundred twenty".