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144572450 = 25211436113
BaseRepresentation
bin10001001111000…
…00000000100010
3101002001001010012
420213200000202
5244002304300
622202404522
73403563011
oct1047400042
9332031105
10144572450
1174675470
1240500742
1323c4b639
14152b4a78
15ca5b435
hex89e0022

144572450 has 48 divisors (see below), whose sum is σ = 300221856. Its totient is φ = 51340800.

The previous prime is 144572443. The next prime is 144572507. The reversal of 144572450 is 54275441.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20594 + ... + 26706.

It is an arithmetic number, because the mean of its divisors is an integer number (6254622).

Almost surely, 2144572450 is an apocalyptic number.

144572450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144572450 is an abundant number, since it is smaller than the sum of its proper divisors (155649406).

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

144572450 is a wasteful number, since it uses less digits than its factorization.

144572450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6179 (or 6174 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 144572450 is about 12023.8284252562. The cubic root of 144572450 is about 524.8419176352.

The spelling of 144572450 in words is "one hundred forty-four million, five hundred seventy-two thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 43 50 55 86 110 215 275 430 473 550 946 1075 2150 2365 4730 6113 11825 12226 23650 30565 61130 67243 134486 152825 262859 305650 336215 525718 672430 1314295 1681075 2628590 2891449 3362150 5782898 6571475 13142950 14457245 28914490 72286225 144572450