19144230 has 32 divisors (see below), whose sum is σ = 52510464. Its totient is φ = 4375776.

The previous prime is 19144219. The next prime is 19144231. The reversal of 19144230 is 3244191.

It is a self number, because there is not a number n which added to its sum of digits gives 19144230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19144231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45372 + ... + 45791.

It is an arithmetic number, because the mean of its divisors is an integer number (1640952).

Almost surely, 2^19144230 is an apocalyptic number.

19144230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19144230 is an abundant number, since it is smaller than the sum of its proper divisors (33366234).

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

19144230 is a wasteful number, since it uses less digits than its factorization.

19144230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91180.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 19144230 is about 4375.4119806025. The cubic root of 19144230 is about 267.5136627953.

The spelling of 19144230 in words is "nineteen million, one hundred forty-four thousand, two hundred thirty".