425156144 has 60 divisors (see below), whose sum is σ = 962661600. Its totient is φ = 181367424.

The previous prime is 425156131. The next prime is 425156189. The reversal of 425156144 is 441651524.

It is a self number, because there is not a number n which added to its sum of digits gives 425156144.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186242 + ... + 188510.

It is an arithmetic number, because the mean of its divisors is an integer number (16044360).

Almost surely, 2^425156144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425156144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481330800).

425156144 is an abundant number, since it is smaller than the sum of its proper divisors (537505456).

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

425156144 is a wasteful number, since it uses less digits than its factorization.

425156144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530 (or 2517 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 425156144 is about 20619.3148285776. The cubic root of 425156144 is about 751.9393624714.

The spelling of 425156144 in words is "four hundred twenty-five million, one hundred fifty-six thousand, one hundred forty-four".