144970146 has 48 divisors (see below), whose sum is σ = 318988800. Its totient is φ = 47579040.

The previous prime is 144970141. The next prime is 144970151. The reversal of 144970146 is 641079441.

144970146 is a `hidden beast` number, since 1 + 449 + 70 + 146 = 666.

It is an interprime number because it is at equal distance from previous prime (144970141) and next prime (144970151).

It is a super-2 number, since 2×144970146² = 42032686462522632, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144970146.

It is not an unprimeable number, because it can be changed into a prime (144970141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 512121 + ... + 512403.

It is an arithmetic number, because the mean of its divisors is an integer number (6645600).

Almost surely, 2^144970146 is an apocalyptic number.

144970146 is an abundant number, since it is smaller than the sum of its proper divisors (174018654).

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

144970146 is a wasteful number, since it uses less digits than its factorization.

144970146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 144970146 is about 12040.3548951017. The cubic root of 144970146 is about 525.3227294614.

The spelling of 144970146 in words is "one hundred forty-four million, nine hundred seventy thousand, one hundred forty-six".