144270930 has 32 divisors (see below), whose sum is σ = 352123200. Its totient is φ = 37819712.

The previous prime is 144270877. The next prime is 144270941. The reversal of 144270930 is 39072441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38985 + ... + 42524.

It is an arithmetic number, because the mean of its divisors is an integer number (11003850).

Almost surely, 2^144270930 is an apocalyptic number.

144270930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144270930 is an abundant number, since it is smaller than the sum of its proper divisors (207852270).

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

144270930 is a wasteful number, since it uses less digits than its factorization.

144270930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81578.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 144270930 is about 12011.2834451611. The cubic root of 144270930 is about 524.4767939477.

The spelling of 144270930 in words is "one hundred forty-four million, two hundred seventy thousand, nine hundred thirty".