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144452152 = 23131388963
BaseRepresentation
bin10001001110000…
…10101000111000
3101001210221002201
420213002220320
5243434432102
622200035544
73402552205
oct1047025070
9331727081
10144452152
11745a3049
1240462bb4
1323c08960
1415282cac
15ca35987
hex89c2a38

144452152 has 16 divisors (see below), whose sum is σ = 291682440. Its totient is φ = 66670176.

The previous prime is 144452149. The next prime is 144452177. The reversal of 144452152 is 251254441.

It is a super-2 number, since 2×1444521522 = 41732848434862208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144452152.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 694378 + ... + 694585.

Almost surely, 2144452152 is an apocalyptic number.

It is an amenable number.

144452152 is an abundant number, since it is smaller than the sum of its proper divisors (147230288).

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

144452152 is a wasteful number, since it uses less digits than its factorization.

144452152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388982 (or 1388978 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 144452152 is about 12018.8249009627. The cubic root of 144452152 is about 524.6963044768.

The spelling of 144452152 in words is "one hundred forty-four million, four hundred fifty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 1388963 2777926 5555852 11111704 18056519 36113038 72226076 144452152