144263970 has 32 divisors (see below), whose sum is σ = 384704640. Its totient is φ = 38470320.

The previous prime is 144263969. The next prime is 144264031. The reversal of 144263970 is 79362441.

144263970 is a `hidden beast` number, since 14 + 4 + 2 + 639 + 7 + 0 = 666.

It is an unprimeable number.

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, 266886 + ... + 267425.

It is an arithmetic number, because the mean of its divisors is an integer number (12022020).

Almost surely, 2^144263970 is an apocalyptic number.

144263970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144263970 is an abundant number, since it is smaller than the sum of its proper divisors (240440670).

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

144263970 is a wasteful number, since it uses less digits than its factorization.

144263970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534327 (or 534321 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 144263970 is about 12010.9937140938. The cubic root of 144263970 is about 524.4683597765.

The spelling of 144263970 in words is "one hundred forty-four million, two hundred sixty-three thousand, nine hundred seventy".