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145933044 = 22315180537
BaseRepresentation
bin10001011001011…
…00001011110100
3101011121011111120
420230230023310
5244324324134
622251503540
73421260525
oct1054541364
9334534446
10145933044
1175414724
1240a57bb0
1324306a1a
141554a84c
15cc29649
hex8b2c2f4

145933044 has 24 divisors (see below), whose sum is σ = 342769728. Its totient is φ = 48321600.

The previous prime is 145933043. The next prime is 145933057. The reversal of 145933044 is 440339541.

It is a super-2 number, since 2×1459330442 = 42592906662211872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145932996 and 145933014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145933043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38457 + ... + 42080.

It is an arithmetic number, because the mean of its divisors is an integer number (14282072).

Almost surely, 2145933044 is an apocalyptic number.

It is an amenable number.

145933044 is an abundant number, since it is smaller than the sum of its proper divisors (196836684).

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

145933044 is a wasteful number, since it uses less digits than its factorization.

145933044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80695 (or 80693 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 145933044 is about 12080.2749968699. The cubic root of 145933044 is about 526.4832359840.

The spelling of 145933044 in words is "one hundred forty-five million, nine hundred thirty-three thousand, forty-four".

Divisors: 1 2 3 4 6 12 151 302 453 604 906 1812 80537 161074 241611 322148 483222 966444 12161087 24322174 36483261 48644348 72966522 145933044