144752652 has 36 divisors (see below), whose sum is σ = 399167496. Its totient is φ = 43864320.

The previous prime is 144752651. The next prime is 144752669. The reversal of 144752652 is 256257441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×144752652² = 41906660522066208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (144752651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182373 + ... + 183164.

It is an arithmetic number, because the mean of its divisors is an integer number (11087986).

Almost surely, 2^144752652 is an apocalyptic number.

144752652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144752652 is an abundant number, since it is smaller than the sum of its proper divisors (254414844).

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

144752652 is a wasteful number, since it uses less digits than its factorization.

144752652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365558 (or 365553 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 144752652 is about 12031.3196283699. The cubic root of 144752652 is about 525.0598897664.

The spelling of 144752652 in words is "one hundred forty-four million, seven hundred fifty-two thousand, six hundred fifty-two".